Technical Specs
RL-3881
1
2
Version1.0
Package Contents
Wireless Remote Control Doorbell
Package Contents: Receiver×1, Remote Control×1, 3M sticker x1, Battery (CR2032)×1
① Receiver
② Remote Control
Indicator
Chime
Selection/Pair
Volume
Adjustment
/Clear Code
Sound-
Reproducing
button
Installing the Remote Control:
2
1
3
1. Remove the insulation sheet from the back of the unit.
2. Paste the 3M sticker supplied on the back of the unit.
3. Paste the unit on the wall or door.
AC 100V~240V
0.5W
1W
FSK
433.92MHz±250KHz
≥ 150m(Open Area)
-115dBm
-10℃~50℃
Power
Standby Power
Consumption
Working Power
Consumption
Volume (30cm)
Demodulation
Frequency
Distance
Receiving Sensitivity
Working Temperature
Low: 60-70dB
Medium: 70-80dB
High: 80-90dB
Technical Specifications
① Receiver
② Remote Control
DC 3V (CR2032*1)
<2uA
<30mA
+10dBm
2s/transmission
2dBi
-10 ~50℃℃
Battery
Standby Current
Working Current
Transmitting Power
Transmitting Time
Antenna Gain
Working Temperature
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
1. Chime Selection: Press " " on the side of the receiver
to play the next chime. 38 of chime quantity for option.
2. Volume Adjustment: Press " " on the side of the
receiver to adjust the volume. High/Medium/Low levels
for option.
3. Pairing: Long press " " on the side of the receiver for
over 3 seconds, the indicator on the receiver will flash to
indicate that it has entered into the pairing state. Now,
press the Sound-Reproducing button on the remote control,
when the receiver sounds the chime selected, the pairing
is 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）
4. Clearing Code: Long press " " on the side of the receiver
Indicator
5. Power Indicator: If the receiver is power on for the first
time, it will sound "Ding-Dong" to indicate that connecting
to power supply works well.
6. Indicator Light: When the receiver plays a chord, the
indicator on its front will flash in accordance with the
chord. When pressing the Sound-Reproducing button
on the remote control, the indicator light on the remote
control will be on.
!
When installing the battery to
the remote control, make sure
the positive side faces upward.
CR2 032
Installing the battery to
the remote control
1 2
for over 8 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).
INSTRUCTIONS
AC 100V~240V
0.5W
1W
FSK
433.92MHz±250KHz
≥ 150m(Open Area)
-115dBm
-10℃~50℃
Power
Standby Power Consumption
Working Power Consumption
Volume (30cm)
Demodulation
Frequency
Distance
Receiving Sensitivity
Working Temperature
Low: 60-70dB
Medium: 70-80dB
High: 80-90dB
TECHNICAL SPECIFICATIONS
② Remote Control
DC 3V (CR2032*1)
<2uA
<30mA
+10dBm
2s/transmission
2dBi
-10 ~50℃℃
Battery
Standby Current
Working Current
Transmitting Power
Transmitting Time
Antenna Gain
Working Temperature
① Receiver