Receiver R4WP-V2 Micro Receiver - For Use With Absima CR4S.V2 Only!

 Channels: 4

 Antenna type: external single antenna

 Waterproof: Yes 

Power: 3.5-8.4V

 Failsafe: Yes (in connection with radio)

 Temperature range: -10°C - +60°C

 Weight: 5 g

 Size: 30.2*18.0*13.0 mm

Supplied without instructions!