YMYNY Fliti Wireless Doorbell, Door Chime, No Battery Required, Wireless Doorbell with 2 Receivers, 150m Range, Waterproof Push Button with 38 Chimes, 4

General description This FLITI Wireless Doorbell features the latest RF push and battery-free technology, eliminating the need for wires or batteries. It is environmentally friendly and cost-effective. The doorbell generates electric current when the transmitter is pressed, sending a stable signal to the receiver without the hassle of changing batteries. With a variety of ringtones and volume levels, it ensures you never miss a visitor. Technical specifications Transmission power: Automatic power supply Doorbell receiver power supply: AC 110-240 (V), 50/60 Hz Receiver power consumption: 0.25 W Ringtones: 38 melodies Volume levels: 4 levels Transmission range: up to 152 m (in open area) Operating frequency: 433 MHz Operating temperature: -4°C to 140°C Installation Installation is straightforward: simply plug the receiver into a power outlet and attach the transmitter to a wall. No complex wiring is required. Usage This wireless doorbell can be used in various settings, including