F21-4s radio remote controls

F21-4s radio remote controls best for hoist and tow truck ,easy to operate to keep workers safety.
Products Application:
Single hook,Single speed hoist and Hoist crane
and for industrial wireless remote control use which under 9 control points etc,
Brief Introduction
Transmitter Size:196*65*53mm wight:320g
Receiver Size:171*86*85mm weight:550g
Specification:
control distance: up to 100m
unique code : over 4.3billon unique ID codes .
temperature : -35°C-+80°C
Enclosure protection class : IP65
Transmitter power: DC3v
Receiver powder : AC 380v/ 36v/220V or DC12V/24V
output capacity: full sealed relay output with 5 amperes
Standard configuration:
One transmitter ;
One receiver;
One 1m cable connect with receiver
One operation and maintain manual .
Products Features:
*Four single speed push button and one EMGS button +one STOP button+one START button+ one SWITCH
*control point up to 7
*With the battery voltage alarm device to cut off the circuit when voltage is insufficient.
*with the Rotate key switch to guarantee the safety.

*set the internal functions by computer interface
*four push button can be set mutual inhibition or not .
*Up ,Down ,East ,West can be set start ,close,speed up,jump strokes,ordinary etc.