Operation Instruction
RL-3930
1
2
Version1.0
Package Contents
Wireless Remote Control Doorbell
FCC Statement
Warning: Changes or modifications to this unit not expressly approved by theparty responsible
for compliance could void the user's authority to operate theequipment.
NOTE: This equipment has been tested and found to comply with the limits fora Class B digital device, pursuant to
Part 15 of the FCC Rules. These limits aredesigned to provide reasonable protection against harmful interference in
aresidential installation. This equipment generates, uses and can radiate radiofrequency energy and, if not installed
and used in accordance with theinstructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not occur in a particularinstallation. If this equipment does
cause harmful interference to radio ortelevision reception, which can be determined by turning the equipment off
andon, the user is encouraged to try to correct the interference by one or more of the
following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to whichthe receiver is connected.
Consult the dealer or an experienced radio/TV technician for help
The device must not be co-located or operating in conjunction with any other antenna or transmitter.
following two conditions :
may cause undesired operation.
(1) this device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
This device complies with Part 15 of the FCC Rules.Operation is subject to the
Technical Specification
Main Unit
Remote Control
Sound-reproducing
button
(Touch button)
Melody selection
ON/OFF- power
on or power off the main unit
Volume button
VOL
Package Contents: Receiver×1, Remote Control×1, Screw Pack x1, Battery (LR44*3)
Indicator light:
Working: The blue light will flash under working state.
Low voltage: The blue light will be on steadily when the voltage is lower than 3.3V.
Note: Please change batteries in time to ensure normal use when there is a low voltage indicator.
Clearing Code: Long press "VOL" button on the back of the receiver for above 5 seconds,
it will sound "Ding-Dong, Ding-Dong" to indicate that clearing code is successful (This action will
clear the code for all remote controls).
Pairing: Long press " " on the side of the receiver for above 3 seconds, it will
sound "Ding-Dong" to indicate that the receiver enters into the Learning Code state.
Now, press the Sound-Reproducing button on the remote control, the receiver will
sound the selected melody to indicate that the paring has been successful.
（Follow the instruction to pair one remote control to the receiver. To pair more, repeat the instruction.
Max 20 remote controls can be paired to one receiver）
Indicator
Operation Instruction
Battery DC 4.5V AA/LR6*3
Standby Average
Current
<350uA
Working Average
Current
<100mA
Max. Volume >85dB
Frequency 433.92MHZ±250KHZ
Distance ≥ 150m(Open Area)
Demodulation FSK
Working Temperature -10°C~50°C
DC 4.5V (LR44*3)
<10uA
<40mA
+10dBm
2s/transmission
2dBi
-10 ~50℃℃
Battery
Standby Current
Working Current
Transmitting Power
Transmitting Time
Antenna Gain
Working Temperature
Modulation FSK
Frequency
433. 92MHZ±250KHZ
Wireless Remote Control Doorbell
Main Unit
Remote Control