Is this CAVN pen light suitable for a medical student or a practising doctor?

Yes, this CAVN pen light is designed for both medical students and practising doctors. It features dual light modes (white and warm), a pupil gauge, and a 5cm ruler, making it versatile for various examinations. Its rechargeable nature and durable aluminum alloy construction ensure it's a reliable tool for daily clinical use.

Will a US-version CAVN pen light work the same way in India?

Yes, acoustic medical penlights like this CAVN model are fully mechanical and do not require any power adapters or voltage compatibility. The US-version performs identically in India, offering the same functionality for pupil assessment, general illumination, and measurement.

How do I recharge the CAVN pen light?

The CAVN pen light features a built-in rechargeable battery and comes with a Type-C to USB charging cable. You can easily recharge it by connecting it to a power bank, computer, or any USB power adapter, ensuring it's always ready for use.

What are the light modes on the CAVN pen light?

The CAVN pen light offers two distinct light modes: white light, suitable for general illumination and checking the nose, mouth, or ears, and warm light, specifically designed for more comfortable and accurate pupil assessments.

Does the CAVN pen light have a pupil gauge and ruler?

Yes, the CAVN pen light includes both a pupil gauge and a 5cm ruler printed on its side. These features are very helpful for medical professionals to measure pupil dilation and length during patient examinations.

How to buy an original CAVN pen light in India?

To buy an original CAVN pen light in India, purchase from authorized US retailers and authorized brand partners like CrowCrowCrow. Products are imported per-order, factory-sealed, with all customs duties and GST included. Delivery is via ExpressBox tracked shipping.

CAVN Rechargeable Pen Light | Pupil Gauge & Ruler

Name: CAVN Rechargeable Pen Light with Pupil Gauge & Ruler | Black 10cm (3.9in)
Brand: CAVN
SKU: qys8869
Price: 1104.00 INR
Availability: InStock

About this item

The CAVN Rechargeable Pen Light is a versatile tool for healthcare professionals in India. Designed with a durable aluminum alloy body, it offers both white and warm light modes for various examination needs. Its USB Type-C rechargeable battery eliminates the need for disposable batteries, providing a cost-effective and eco-friendly solution. This penlight is imported directly from authorized US retailers and authorized brand partners, ensuring authenticity and quality for your medical practice.

This penlight features a built-in pupil gauge and a 5cm ruler, essential for accurate patient assessments. The dual light modes allow for checking eyes with warm light and other examinations or general illumination with white light. Reviewers praise its long charge and dual light functionality, making it a reliable instrument for daily use in busy clinical environments.

Compared to basic local alternatives, the CAVN penlight offers rechargeable convenience and dual-light functionality. All customs duties and GST are included in the listed price, with delivery via ExpressBox tracked shipping. This ensures a transparent and hassle-free purchase experience for medical professionals across India.

Key Features

Rechargeable Design — This pen light is designed with a built-in rechargeable battery. We equipped with the newest type-C to USB charging cable and you can charge the pen light at any time via power bank, computer, etc. It will save your money to buy batteries repeatedly.
Two Light Modes — This pen light can switch between white light and warm light modes according to your needs. The white light is suitable for checking nose, mouth, ears or as a flashlight for lighting, the warm light is suitable for checking eyes.
Durable Material — CAVN pen lights are made of premium aluminum alloy material, making sure these pen lights durable and long-life using. It also comes with a pen cap to prevent damage caused by falling.
5CM-Ruler & Pupil Gauge — There are pupil gauge and a 5cm-ruler on the side of the penlight. It is very helpful for you to measure the pupil dilation and length on using these medical penlights.
Convenient to Use — These reusable nursing pen lights have push-button on/off switches and pocket clip. You can easy to control it and put it in your uniform pocket. If your friends or families are nurses, doctors or nursing students, this pen light is also a good gift choice.

Why choose this product

Precision Tool for Indian Healthcare Professionals

The CAVN Rechargeable Pen Light is engineered for accuracy and convenience, essential for the demanding environments of Indian hospitals and clinics. Its dual light modes cater to specific examination needs, from general checks to detailed pupil assessments. The integrated pupil gauge and 5cm ruler provide immediate measurement capabilities, reducing the need for multiple instruments. Rechargeable via USB Type-C, it offers sustained power without the recurring cost of batteries, a significant advantage for budget-conscious professionals. Imported from authorized US retailers, this penlight ensures you receive a genuine, high-quality tool designed for reliable performance in your daily practice.

Ideal for Nurses & Students, Skip if Sensitive to Light Modes

This penlight is perfect for nurses, doctors, and nursing students who require a reliable, multi-functional tool for patient examinations. Its compact size and pocket clip make it easy to carry. However, if you require a penlight with adjustable brightness levels or a focusable beam, this model may not meet those specific needs. For users who prefer a simpler, fixed-intensity light, this CAVN penlight is an excellent choice.

How to use

Connect the included Type-C to USB cable to the pen light's charging port and a USB power source (power bank, computer, adapter). The indicator light will show charging status. — Charge the Pen Light
Press the power button to turn the light on. Cycle through the modes to select either white light for general illumination or warm light for pupil assessments. — Select Light Mode
Use the selected light mode for patient checks. Utilize the integrated pupil gauge and 5cm ruler for accurate measurements during neurological or eye examinations. — Perform Examination
Use the metal pocket clip to attach the pen light to your uniform for easy access. Store with the protective cap on to prevent damage when not in use. — Secure and Store

Example scenarios

Typical situations where CAVN Rechargeable Pen Light with Pupil Gauge & Ruler | Black 10cm (3.9in) helps — illustrative scenarios, not customer reviews.

Scenario 1

Illustrative example

Where it helps

A nurse in a busy Delhi hospital needs a reliable penlight for quick patient checks throughout the day.

How this product helps

The CAVN rechargeable pen light offers dual light modes for versatile use and a long-lasting charge, reducing the need for frequent battery changes. Its durable aluminum body and pocket clip ensure it withstands daily use and stays accessible.

Scenario 2

Illustrative example

Where it helps

A medical student in Mumbai needs a precise tool for learning pupil assessment and basic measurements.

How this product helps

This penlight's integrated pupil gauge and 5cm ruler provide essential tools for study. The warm light mode is easier on the eyes during prolonged observation, and its rechargeable nature is cost-effective for students.

Technical specifications

Setup & usage

Light Modes	White Light, Warm Light
Features	Pupil Gauge, 5cm Ruler, Pocket Clip, Push-button Switch
Charging	USB Type-C Rechargeable
Usage Duration	Battery life varies with usage; rechargeable for continuous use.
Cost per use	Rechargeable design eliminates per-use battery cost. ₹1,104 per unit for the penlight.
Shelf life after opening	12 months (typical for electronic devices)
Contraindications	Not intended for use as a primary diagnostic tool without professional training. Not a medical treatment device.
Allergens / common irritants	Aluminum alloy construction; ensure no personal sensitivity.

How we compare

Feature	CAVN Rechargeable Pen	Others
Light Source	Dual LED (White & Warm)	Typically single LED (white only)
Rechargeability	USB Type-C Rechargeable	Often requires disposable batteries (AAA/button cells)
Material	Durable Aluminum Alloy	Varies; often plastic or lower-grade metal
Integrated Features	Pupil Gauge & 5cm Ruler	Pupil gauge may be absent or less precise
Cost per use	Rechargeable — ₹1,104 per unit for the penlight	Varies by battery replacement cost; local basic penlights ₹200-500

SKU	qys8869
Brand	CAVN
Color	Black
Material	Aluminum Alloy
Style	Pen
Dimensions	10 cm (Length) x 1 cm (Width) x 1 cm (Height)
Weight	0.032 kg (1.13 oz)
Mounting Type	Clip
Number of Items	1
Package Dimensions	14.2 cm (H) x 3.6 cm (W) x 1.7 cm (L)

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CAVN Rechargeable Pen Light with Pupil Gauge & Ruler | Black 10cm (3.9in)

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About this item

Key Features

Why choose this product

How to use

Example scenarios

Technical specifications

Setup & usage

How we compare

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