4 AA Waterproof Battery Holder Case with timer Built in Timer Circuit to allow unit to turn on by its self for 8 hours per day. Press the button once to activate 8 hour timer (will turn on for 8 hours same time every day), press button again for constant on and once again for off. Waterproof for outdoor or indoor use. Door securely latches onto a rubber gasket. The Button actuator is also sealed so the unit can be operated without opening the door Total Voltage: 6V with 4X 1.5V AA battery or 4.8V with 4X 1.2V AA Battery Dimension: Approx. 81mm x 82mm x 24mm.(L*W*H) 4 AA Waterproof Battery Holder Case with timer. Built in Timer Circuit to allow unit to turn on by its self for 8 hours per day. Waterproof for outdoor or indoor use. Door securely latches onto a rubber gasket. The Button actuator is also sealed so the unit can be operated without opening the door. Press the button once to activate 8 hour timer (will turn on for 8 hours same time every day), press button again for constant on and once again for off. 26AWG wire with tinned ends (good for low power draw applications). Total Voltage: 6V with 4X 1.5V AA battery or 4.8V with 4X 1.2V AA Battery. Lead Cable Length: 6 Inch. Dimension: Approx. 81mm x 82mm x 24mm.(L*W*H). Color: Black.