About this Item -It emits a cool white light with a brightness of 100lm to indicate the direction of escape. -Built-in 1200mAh battery, the indicator light can run continuously for 3 hours in case of power failure. -With protection class IP20, it is suitable for use in dry or damp areas within a temperature range of 0°C to +40°C and offers a high level of protection against mechanical damage. -There are 4 signs, right, left, straight ahead and exit, which allows you to hang the indicator light anywhere. -Suitable for dining rooms, hotels, apartments, schools, factories, warehouses, offices and other places. Specifications: .