KERUI Campanello senza fili impermeabile per esterni, campanello intelligente per la casa con melodie di benvenuto, kit di suoneria e lampeggio LED, allarme di sicurezza per la casa

Features: KERUI specialized in producing high-quality wireless doorbells, we sell wireless doorbells have passed CE and RoHS certification. We are an honest brand and we have 6 months warranty or replacement commitment. 1. Button is Waterproof ,Don't worry about extended use 2. 3-Year Battery Life 3. Up to 500ft Ultra-long Transmission Distance 4. Easy to install with the double side adhesive tape or the screws. Package include ( according to your choice ) 1receiver 1button 1 x Doorbell (EU/US/UK) + 1 x Doorbell Button (battery include) 2receiver 1button 2 x Doorbell (EU/US/UK) + 1 x Doorbell Button (battery include) 1receiver 2button 1 x Doorbell (EU/US/UK) + 2 x Doorbell Button (battery include) Note 1. Button is Waterproof ,Don't worry about extended use ，CR2032 (battery included) 2. Wireless distance refers to adjusting the distance between the host and the button in an open environment if the host cannot receive a signal 3.Please check the socket type before selecting the power plug, We have EU/US/UK plug, If you need AU plug, please contact us before payment. IP55 Dustproof and Waterproof Works between -4 °F to 140 °F; withstands various harsh weather conditions Ultra Long Operating Range Operating range up to 500ft / 150m in open area, ensures you to hear and answer the doorbell in time. You will never miss a visitor even if you are a few rooms away or on another floor 32 Ringtones and 4 Adjustable Volumes The wireless doorbell offers a wide selection of 32 melodies and 4 volume levels to meet your needs for different occasions. Flashing light with audio alert indicators which is easy for people including the hearing impaired to notice. Easy to Install Just plug the receiver into power socket and attach the transmitter on door, you don`t even necessarily have to make holes or damage anything Support Expandable Already paired before factory and different transmitters can be set to different tunes. Expandable up to 20 accessories Specification 1. Working Voltage: AC 100-240V 2. Working Current: < 100 mA 3. Wireless Frequency: 433 MHz 4. Working Temperature: -10-50 degree centigrade 5. Wireless Distance: 150 meters (Open area) 6 .Frequency: 433Mhz