1. Introdução
The Aokin Pen Light with Pupil Gauge is a compact and reusable LED penlight designed for diagnostic purposes in medical and professional settings. It features a bright white LED light, a pupil gauge, and a 5cm ruler for convenient measurements. Constructed from durable aluminum alloy, this penlight is lightweight and portable, making it suitable for daily use.
2. Conteúdo da embalagem
- 2 x LED Penlights (Gold and Black)
- Observação: as pilhas AAA não estão incluídas e devem ser adquiridas separadamente.
3. Configuração: Instalação da bateria
To prepare your Aokin Pen Light for use, follow these steps for battery installation:
- Desaperte a tampa traseira da lanterna girando-a no sentido anti-horário.
- Insert two (2) AAA batteries into the battery compartment. Ensure the positive (+) pole of the batteries faces towards the penlight bulb (towards the head of the penlight).
- Screw the tail cap back onto the penlight by turning it clockwise until it is securely fastened.

Image: The Aokin Pen Light disassembled, illustrating the battery compartment and how to access it for battery insertion.

Image: A visual guide demonstrating the correct orientation for inserting AAA batteries into the penlight, with the positive (+) pole facing the bulb.
4. Instruções de operação
To operate the Aokin Pen Light:
- Ligando: Press the push-button switch located on the tail cap of the penlight.
- Desligando: Press the push-button switch again to turn off the penlight.
5. Características
The Aokin Pen Light is equipped with practical features for medical diagnostics:
- Pupil Gauge: Located on the side of the penlight, the pupil gauge assists in determining the size of a patient's pupil during neurological assessments.
- 5cm Ruler: A 5cm ruler is also printed on the side of the penlight, useful for measuring wounds or other small areas.

Imagem: Um close-up view of the Aokin Pen Light, highlighting the integrated pupil gauge and 5cm ruler for diagnostic measurements.
6. Manutenção
- Limpeza: Limpe a lanterna com um pano macio e seco.amp pano. Não mergulhe em água nem use produtos químicos agressivos.
- Substituição da bateria: Replace batteries when the light dims or stops working. Always use fresh AAA batteries.
- Armazenar: Store the penlight in a cool, dry place when not in use. Remove batteries if storing for extended periods to prevent leakage.
7. Solução De Problemas
- A luz não acende:
- Check if batteries are inserted correctly with the positive (+) pole facing the bulb.
- Substitua por pilhas AAA novas.
- Certifique-se de que a tampa traseira esteja bem rosqueada.
- A luz está fraca:
- Substitua por pilhas AAA novas.
8. Especificações
| Peso | 20.5 g/pc |
| Cor do LED | Branco brilhante |
| Cor da concha | Ouro + Preto |
| Material | Liga de alumínio |
| Fonte de energia | 2 x pilhas AAA (não incluídas) |
| Dimensões (diâmetro x comprimento) | 1.25 cm (0.50 pol.) x 13.5 cm (5.31 pol.) |
| Características especiais | Pupil Gauge, 5cm Ruler, Push-button On/Off Switch, Metal Pocket Clip |
| Nível de resistência à água | Não resistente à água |
9. Garantia e Suporte
For any questions, concerns, or support regarding your Aokin Pen Light, please refer to the retailer's return policy or contact the manufacturer directly through their official channels. Information regarding extended warranty plans may be available from your point of purchase.