1. Wireless 1 Way ON / OFF Control the lighting
2. Fast, easy installation
3. Only 4 wires to hook up
4. Wireless control 1 sets of lights.
5. Remote control range over 65 feet
6. For AC 110V, cannot be used for 220V voltage
1* Signal receiver
1* Signal transmitter
2* Mounting screws
1* 23A 12V Alkaline battery
We are sorry that the battery can not been put outside on the transport which will caused danger.So battery it is already inside.