Multiple Optional Ringtone & Mute Mode: SECRUI wireless doorbell receiver features 58 chimes and 5 levels of adjustable volume(0 dB to 110 dB) to meet your needs for different occasions. LED flash is suitable for the elderly and hearing impaired. The indoor chime can remember your last melody and volume level after closing it; No need to reset the previous settings, really saves your time.
Hassle-Free Installation: This battery wireless doorbell ringer requires no additional wires or tools, all you had to do was plug in the adapter to an outlet and adhere the transmitter to the wall via Double-sided tape or Screws-in. Each transmitter can be paired with up to 20 doorbell receivers.
- Waterproof grade: IP44
- Type: Doorbells
- Receiving distance: 300M Remote (in open area)
- Receiver ringtone function: Power failure memory function
- Power supply: 110V-220V-240V
- Power Source: US/EU/UK Plug AU adapter
- Power Source: Battery,AC
Model Number: A10
- Frequency: 433MHz
- Doorbell Type: Wireless
- Battery mode: 23A12V alkaline battery(not include battery)
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