The flashlight T209 is waterproof and also has a shock and scratch resistant body. The flashlight is powered by 3 18650 lithium batteries with a capacity of 7800 mAh. It can provide up to 5 hours of required light. It should be mentioned that the flashlight T209 has a USB type charger that will be included with the flashlight. This lamp has 3 modes of exposure: high light, low light and flash. Also, the time required to fully charge the device is considered to be 5 to 7 hours. The flashlight should be connected to the device at the level of 15 to 20% battery charge and under no circumstances leave the device on until the device is fully charged.