Waterproof Wireless Doorbell Adjustable Volume 1000FT Plugin Receiver 38 Chime Brand New And High Quality. The wireless doorbell is made of ABS material, non-toxic, harmless and recyclable, the material can keep itself against from dust, rain, high temperature and it's waterproof. It is also safe for pregnant women because it has no electromagnetic radiation. Very sensitive doorbells, 1 transmitter button will triggers 2 chime units and the radio waves can cover the whole house ranging up to 1000 ft ensures you can hear the bell and answer the door for guests or packages. Ultra-low power consumption design, the transmitter battery can be used for over 15 months and the materials can sustain 100 thousand clicks. Our wireless doorbell provides 38 different ringtones with 3 levels adjustable volume. You can set the tones as you wish. Very easy to Install, everything you need is included in the package. Package Includes: 1x Transmitter 2x Receivers 1x Double sided Tape 1x Batter for transmitter Listing and template services provided by inkFrog