This waterproof receiver uses the new AFHDS 2.4GHz ANT frequency technology and has a very compact design with a size of 22.6*20.6*25.5mm.

4-channel receiver "R4WP" with internal antenna suitable for "CR4S" 2.4Ghz remote controller.
 
This waterproof receiver uses the new AFHDS 2.4GHz ANT frequency technology and has a very compact design with a size of 22.6*20.6*25.5mm. 
 
Specification: 
 
Channels: 4 
2.4GHz Protocol: ANT
Suitable for: CR4S and other remote controllers with ANT technology
Distance: >150m
Antenna type: buildt-in
Waterproof: Yes
Power: 3.5-8.4V
Failsafe: Yes (in combination with remote control)
Temperature range: -10°C - +60°C
Weight: 6g
Dimensions: 22.6*20.6*25.5mm