【4CM-Ruler & Pupil Gauge】There are pupil gauge and a 4cm-ruler on the side of the penlight. The white light is suitable for checking nose, mouth, ears or as a flashlight for lighting, the warm light is suitable for checking eyes.
eBay
1/3/5 PCS Mini LED Flashlight COB+XPE Portable Torch Camping Lantern Zoomable Focus Light Tactical Flashlight with Pen Clip
Aliexpress UK
Power mode: USB charging. Small size, pen shaped, can be held in a pocket and carried with you. White+yellow dual light source, clear white light is suitable for the examination of ear, nose, and throat ulcers.
eBay
Mini LED Flashlight COB+XPE Portable Torch USB Charging Camping Lantern Zoomable Focus Light Tactical Flashlight with Pen Clip
Aliexpress UK
1 X LED Flashlight. Mini Pocket Stainless steel Pen Size. Small size just like a pen, easy to carry. 1 X USB Cable. Light Color: White. Overall Length: 12.8cm. Shell Color: Silver. Material: Stainless steel.
eBay
Super Bright Mini 3LED Flashlight With Pen Clip And Tail Magnet,Builtin Battery USB Charge Outdoor Portable Torch Emergency Lamp
Aliexpress UK
1 x LED Flashlight. Mini Pocket Stainless steel Pen Size. Small size just like a pen, easy to carry. Power: 70mAh USB charging. 1 x USB Cable. Light Color: White. Overall Length: 12.8cm. Shell Color: Silver.
eBay
Mini Portable LED Pen Light Pocket Ultra Bright High Lumens Handheld Flashlight Linterna Torch For Camping Outdoor Emergency
Aliexpress UK
2 xPink Disposable Pen Torch with Pupil Gauge. These disposable pen torches can be used in the field or within the car setting. Pen torches can be disposed of once the battery life has run out.
eBay
Mini Portable LED Pen Light Pocket Ultra Bright High Lumens Handheld Flashlight Linterna Torch For Camping Outdoor Emergency
Aliexpress UK
Features:-There are 2 light modes, you can switch between white light and warm light mode as needed, white light is suitable for checking nose, mouth, ears, warm light is suitable for checking eyes.-Built-in 60mAh rechargeable battery, you can charge it at any time through a mobile power bank or computer (charging indicator light: blue light is on when charging, blue light is off when fully charged).-With on/off button, one-touch on/off. Protective cover prevents accidental opening. Metal clip makes it easy for you to carry it with you.-There is a pupil gauge and a 4cm ruler on the side which is very helpful for measuring pupil dilation and length.-Perfect for doctors, nurses, home, office and more.Specification:Color: silver, blackBattery capacity: 60mAhSiz.
eBay
Mini Flashlight Small Flashlights LED Powerful High Lumen Waterproof Pen Light Slim Portable Pocket Compact Torch For Inspection
Aliexpress UK
Suitable for: Doctors, Nurses, First Aider, First Responder, Ambulance etc. 1 x Torch Pen(Include battery). Light source type: LED yellow light. Color: White+Blue.
eBay
High Strong Power LED Flashlight Built-in Battery Type-C Rechargeable with Pen Clip Torch Outdoor Camping Emergency Lantern
Aliexpress UK
Bright clear light. Clip to hold it on your uniform, easy to carry.
eBay
New HONEST Metal Torch Windproof Lighter Refillable Pen Lighter Jet Flame Butane Lighter Kitchen BBQ Candle Camping Men's Gadget
Aliexpress UK