USB Wireless Doorbell IP44 Waterproof Ring Door Bell

♪【 IP66 Waterproof 】This wireless doorbell is the highest waterproof level on the market doorbells which is IP44 dustyproof and waterproof,suitable for a variety of extreme climates.  ♪【 32 Chimes to Choose 】The wireless door bell not only is it a loud wireless doorbell with an adjustable volume of up to 85db, but it also has 32 ringtones. ♪【 Receiver with USB port 】For the receiver with USB at backside is power by DC 5V 1A, can plug-in any devices or wall mount switch with USB socket.   Specification as below: Product Name USB Wireless Doorbell IP44 Waterproof Ring Door Bell Material ABS plastic Operating range 150M at open air Work Frequency 433Mhz Power supply(Trasmitter) Kinetic,self-powered Power supply(Receiver) DC 5V 1A       Company Profile Advante as a leading wireless doorbell manufactory specializing on wireless doorbells development and OEM&ODM for over 30+ years since 1996 in South China. We're not a low cost leader, but we're a technical lea…