CACAZI FA28 Smart Wireless Doorbell, 2 Transmitter + Receiver Self-Generating Doorbell - Black / US Plug

• Self-generating transmitter: No battery is needed, A finger press can trigger the generator to convert into electrical energy
• Long-distance transmission has strong penetration: Strong signal penetration can be used in offices, offices, homes, shops, factories, and other occasions
• 5 levels of adjustable volume whatever you want: The doorbell has five levels of volume, which can be adjusted freely. (Volume can be adjusted, light reminder)
• Anti-interference, no crosstalk: Digital circuit design, multiple sets of use will not cause cross-talk, effectively avoiding the troubles caused by mutual interference between neighbors
• The receiver can distinguish signals from different transmitters: Through different transmitter signals, let the receiver emit different bells to easily distinguish which door has visitors

Specifications:

• Model: FA28
• Music: 60 music tracks
• Volume: 5 levels of volume (adjustable to flashing light only)
• Transmitter: Press to generate power, no batteries required
• Receiver: light only when the bell rings
• Transmitter size: 74 x 40 x 20.3mm
• Receiver voltage: plug-in power use (110-220V)
• Receiver size: 90 x 56 x 20mm
• Remote control distance:150m in a straight line on open ground