This multipurpose 12v DC wireless switch can be used in automobile, boat, home applications, and a great gadget for electronic projects. 

Kit included: 1 switch receiver box, 1 black long range remote transmitter (batteries included)
Dimension: remote  3 1/2" x 1 1/2" x 5/8" , receiver box 2" x 1 7/8"  x 1"
Remote mode: Latching, (on)(top red button) and (off)(bottom red button)
Remote range: ~500ft/~150m

(Remote range and signal strength depend on where device is setup, battery strength, interference, etc.)
Receiver Input: 12V DC (13.8v max.)
Receiver output: 12V DC (13.8v max.)
standby current: 4.5mA 
Relay max. contact current 15A