sunsky C303B-1 Wireless Doorbell Instruction Manual

sunsky C303B-1 Wireless Doorbell

Specifications:

• Power supply: self-powered generation for doorbell transmitter, AC100V-230V 50/60Hz for doorbell receiver
• Power consumption : 0.25W
• Music: 38 ringtone options
• Weight: Doorbell transmitter – 29g, Doorbell receiver – 56g
• Distance of transmission: 150M in open area
• Working frequency: RF 433 MHZ
• Appearance dimension : Doorbell transmitter – L67mmxW33mmxH18mm, Doorbell receiver – 85mmx52mmx43-63mm
• Music volume : 50dB/1M
• Working temperature: Doorbell transmitter – -20~+60, Doorbell receiver – -10~+45

Product Usage Instructions

Pairing:

To pair a switch with the receiver:

1. Long press the pairing button on the receiver for 3 seconds within 1 minute of powering on.
2. The indicator light on the receiver will turn on, indicating it’s in pairing mode.
3. Press the LED until the indicator light flashes on the receiver.
4. Press the transmitter to complete the pairing process.

The receiver can pair up to 5 switches. If you want to pair a new switch after reaching the limit, the first paired switch will be automatically replaced.

Clearing the Pair Code:

To clear all paired codes:

1. Long press the receiver button within 1 minute of powering on until the indicator LED flashes three times.
2. All paired codes will be cleared.

FAQ

• Why is there no sound coming from the receiver?
  • To troubleshoot no sound issues:
  • Check if the receiver is plugged in and not in mute mode.
  • Verify if the transmitter is successfully paired with the receiver.
• Why is the transmission distance short?
  • If you are experiencing short transmission distance:
  • Avoid placing the transmitter and receiver near metal objects like iron doors or frames.
  • Walls, ceilings, and other wireless devices can also interfere with transmission distance.

Product Description

Product Features

Battery-free wireless doorbell that drives wireless signals by pressing to generate electricity, no battery, no wiring, simple installation, green and environmental protection.The appearance are simple, generous high-grade designs that look very beautiful. doorbells can be worked with wireless receivers, smart switches and other wireless receiving equipment to remote control electric appliances which can easily realize single control, dual control, multiple control and interacting control.It is not only a doorbell, but can also used use as light control to switch on or off.

Product diagram

1. Volume button and back
2. Pairable button and music selection button
3. Indicator
4. Transmitter button

Technical parameter

User Instruction

Pairing: The indicator led of a receiver is on means in the status of pairing mode. Press the indicator led once until have a flicker means successfully paired 1 switch, the receiver can pair 5 switches max. You can also pair it yourself as below picture. When the receiver has been equipped with 5 switches, if you want to pair another new Switch, then the first paired switch will automatically replaced.

1. Long press the pairing button for 3 seconds within 1 minute after the receiver is powered on.(2).It enters the pairing mode after the indicator light is on the receiver.(3). Press the LED until the indicator light flashes on the receiver, then press the transmitter and pairing finished successfully.
2. Clear the pair code: Long press the receiver button within 1 minute after the receiver is powered on until the indicator led is on and flashes 3 times, all the code is cleared.
3. The music back to the first one: Long press the “Volume Adjustment” button and “back button” when the receiver status is powered on, thus can hear the first music.
4. Song selection : When the receiver is powered on, short press the “pairing and song selection” button to search for the built-in 38 songs in turn.
5. Volume selection: When the receiver is powered on, short press the “volume adjustment and return keys to adjust the volume in turn. There are three options for volume: high, medium, low and silent mode.

Install Instruction

The transmitter can be placed or moved at will, you can fix it anywhere you want

1. Method 1 (double-sided stickers): Show as in the below picture, have the double side sticker on the back of the transmitter, then paste any way you want.
   • Tip : Please avoid installing on metal objects (iron gates, iron windows, etc.) to avoid influencing the launch distance. Please make sure it’s available before installing the transmitter.
2. Method 2 (screw mounting): optional accessoriesPut it in the desired fixed position and try to draw the positioning point normally then use professional tools to punch holes on the wall to install rubber plugs, fix the bracket plate to the wall with screws, and slide the transmitter in place.

Tip: Please avoid installing on metal objects (iron gates, iron windows, etc.) to avoid influencing the launch distance. Please make sure it’s available before installing the transmitter.

Failure analysis and troubleshooting

1. No sound : Confirm if the receiver is plugged in, check if the receiver is in a mute state. Confirm if the transmitter paired with the receiver successfully.
2. Short transmission distance: Metal objects such as iron doors and iron frames will influence the transmission distance. So don’t place the transmitter and receiver near metal objects. Walls and ceilings will also influence the transmission distance, and other wireless devices will also interfere.

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