Sminiker IP44 Waterproof Design Wireless Doorbell Door Chime and Push Button No Need Battery Operating at over 500-feet Range 1.The sminiker wireless doorbell is in modern stylish in classic white 2.Waterproof buttom design and door chime is rated IP44 weatherproof and acceptable for outdoor use. 3.36 different ring tones. Adjustable volume from 25db to 80db. 4.500-1000 Feet long wireless operating range 5.Tool, screws and double adhesive tapes are included for easy installation of the transmitter.