Temperature Range: -10°C to 40°C

Use relative humidity: ≤ 90%

Battery Specification: 3.7V, 500-3500mAh

Input Voltage: AC 220V 50Hz

Output Voltage ：dc.4.2v-300ma

Charging power: 5W

Luminous power: 1-3W

Light time: 20h

Instructions:

1. For the first time, charge the lamp once.

2. When the light gradually dimms in use, charge this lamp in time to extend the service life of the battery inside.

3. Charging time is approximately 9-11 hours.

Notes:

If the lamp is not used for a long time, please charge it once every three months. It cannot be stored without electricity, otherwise it will reduce the product's service life. It is strictly prohibited to use a charger that is not from our factory to charge the lamp. The charger must be a product from our factory. When charging, keep away from flammable materials and valuable items.