CACAZI FA96 Self-Powered Home Wireless Doorbell No Battery Required Ring Chime, 1 Transmitter + 1 Receiver - Silver/EU Plug • Instead of using a battery, the button converts kinetic energy into electrical energy and sends a signal when pressed; no need to worry about dead batteries, ensuring you don't miss important visitors • The transmitter is installed outside the door, the receiver is installed on the power socket; press the transmitter and the bell rings, and the receiver immediately sounds and flashes to alert • Long-distance barrier-free signal transmission up to 150 meters with strong signal penetration • The doorbell sound is not just a simple "ding dong"; it supports 60 selectable melodies with rich, high-quality audio that is pleasant to hear; when the doorbell is pressed, the receiver sounds and flashes • The doorbell features five volume levels that can be freely adjusted, including a flash-only mode • Digital circuit design ensures multiple sets can be used without cross-talk, effectively avoiding interference issues between neighboring units • Supports different transmitter signals to trigger distinct chimes on the receiver, allowing easy identification of which door has visitors Specifications: • Product: CACAZI • Music: 60 options • Product Name: Self-Powered Wireless Doorbell • Model: FA96 • Volume: 5 levels (including flash-only mode) • Transmitter: No battery required, generates power when pressed • Receiver: Lights up when the bell rings • Receiver: Plugs into power supply (AC110V/220V) • Transmitter Size: 74*40*20.3mm • Receiver Size: 90*56*20mm • Remote Control Distance: 150M line-of-sight distance under barrier-free conditions (based on factory testing) Package Included: • 1 x Transmitter • 1 x Receiver • 1 x Installation Kit • 1 x English User Manual