amiciSmart Wireless Doorbell 300M Range Waterproof Push Button Wireless Door Chime  (38 Tunes)

(1) High Quality Wireless Doorbell - 300m (in open area) range Plug-in Wireless Door Chime (receiver) and Push Button (transmitter) makes it easy to replace your home's generic doorbell ring with a 38 different chime tune that better fits your individual style (2) Reliable - It is IP44 Dustproof and water resistant, Also it can withstand temperature range from -20 °C To 60 °C. Transmitter uses a 23A, 12V Alkaline Battery, low battery consumption allows battery to work for more than a year (3) Easy to install and operate - Stick with double-sided tape (Included) to the back of transmitter. Stick transmitter to specific location.Plug the receiver anywhere to standard mains power (4) Multiple Volume level and Chimes - With 3 Different volume level, you can choose your desired volume. Also it comes with 38 different tunes. Enjoy beautiful chime when someone ring your doorbell (5) MEMORY FUNCTION - Preserve your last set melody after a power outage; no need to reset to your previous settings, convenient and easy design to use for a better user experience. If paired with multiple push units in one system, the chime can be set individually for each push unit