Doorbells Blitzwolf

Specifications: Transmitter: Model name: DS ML23011 Modulation mode: ASK Coding form: EV1527 Working frequency: 433MHz Working current: 20mA/0.1uA Battery: CR2016*3 Material: ABS Size: 45*45*14mm Do more→orbell: Model name: DS ML23012 Working voltage: DC5V/1A Working current: 120mA Stand by current: %3C4.6mA Modulation mode: ASK Working frequency: 433MHz Material: ABS Size: 56.5*33*5.3mm Features: 1. Wireless transmission saves you from the hassle of wiring and does not damage the wall during installation. 2. Comes with 30 chord ringtones to choose from, providing a unique doorbell experience. 3. Adjustable volume levels to match your desired noise level. 4. Transmitter and doorbell work at