SURFOU Wireless Doorbell, Waterproof, Easy installation -1300ft Range 55 Chimes, 5 Adjustable Volume Levels - LED Flash (2 Buttons + 3 Receivers)

SURFOU Wireless Doorbell, Waterproof, Easy installation -1300ft Range 55 Chimes, 5 Adjustable Volume Levels - LED Flash (2 Buttons + 3 Receivers)

• Easy to Install -- Plug the mini receiver into an outlet and then use the provided accessories to secure the transmitter to the wall
• Widely used -- Used for homes, apartments, schools, villas, offices, warehouses, hotels, factories, hospitals, etc
• This high frequency electronic technology wireless remote control doorbell uses a wireless signal solution with strong anti-interference capability ,the sensing distance can reach 1300 feet In the open environment
• Perfect wireless doorbell kit --With 55 different ringtones and 5 levels of adjustable volume from 0db to 110db
• Flashing light indicator is easy to notice including the hearing impaired, With memory function，Retains of your last time set melody and volume after power failure
• Battery life 3 years -- Operating temperature range of -22 °F to 158 °F, IP55 dust and water protection
• Can add SURFOU brand receiver and transmitter of the same model,You don't need to worry about anything, We provide after-sales support for all our products