Wirelessintercom doorbell is a set of multi-way intercom system,can be uesdin offices,workshops,homes,buildings ect.Using the 2.4GCommunications Channel, full-duplex interoperability intercom,communication distance up to 500 meters above

Instructions:
1,Boot:Connect the power or battery
2,Standby :Receiving mode, the power light flashesevery four seconds
3,CALL
A:First press the ID number, then theCALL button,  enter the main CALL with the red light
B:No response signal 4 seconds means no signal, loud "drops" tones,prompted no signal, ends CALL state.
   Signal received, began to sound a beep tone:
   A,If no answer, stop beep beep continued for 15 sound,but answer 1 minute,then end the CALL state.
   B,If off-hook, beep tone stopped , enter the callstate with the green light.
   C:Indoor monitor keep a long red light and ring whenreceive the signal, Will beep 'ding-dong' stop ringing ,about 1minute,       then enteringstandby.If off-hook, then stop ringing, the greenlight to enter the call state
   D:Hook: you will hear a "beep". Host can hang up onthe call of the process.
   E:The indoor monitor is busy, then drops twice, busyprompt ,refund standby.
   F:In the process of waiting for the off-hook, pressCALL key again
      1,If Indoor monitor in the ring ,then it doesn't ring again, Outdoor monitor weight 15 beeps,re-timed one minute.
      2,If the Indoor monitor not ring,the loud sound 'ding-dong', Outdoor monitorweight 15 beeps,re-timed one minute.