Waterproof wireless touch button, dog doorbell, SOS caller, 2 transmitters, 1 receiver

Features: 1. 55 chimes available: the user can choose the tone as desired. 2. Simple operation: comes with 2 transmitters and 1 receiver, easy to pair the transmitter and receiver. 3. Memory function: the chime previously set by the user will not change even if the power is cut off. 4. 300m wireless working distance: stable signal transmission and good anti-interference performance. 5. IP55 waterproof: the built-in waterproof sealing ring can protect the internal components from water and dust to extend its lifespan. Specifications: This pet doorbell will solve the problem of your dog trying to open the door by scratching at it. Simply train your dog to use its nose or paw; touch the transmitter and the receiver will chime. Features: 55 chimes available: the user can choose the tone as desired. Simple operation: comes with 2 transmitters and 1 receiver, easy to pair. Memory function: the chime previously set by the user will not change even if the power is cut. 300M wireless working distance: stable signal transmission and good anti-interference performance. IP55 waterproof: the built-in waterproof sealing ring protects the internal components from water and dust to extend its lifespan. 5 adjustable volume levels: adjustable from 0 to 110 dB, the mute mode provides the user with a better user experience. Touch button: The interval between two rings is approximately 20 seconds, so there's no need to keep pressing the button. SOS call function: With a hanging hole for attaching to a neck strap or wrist strap, elderly people can use it to call for help. Operating distance: 300 m (unobstructed) up to +70°C; Operating frequency: 433.92 MHz; Sound volume: 0-110 dB (5 adjustable levels, with mute mode); Certifications: CE, RoHS, FCC, PSE, TELEC; Transmitter battery: 12V 23A zinc-manganese alkaline battery (built-in); Size: Receiver (length*width*thickness): 2.36*2.36*0.59 inches; Transmitter (diameter*thickness): 3.07*1.97 inches; Package contents: 1 x Receiver, 2 x Transmitters, 2 x Adhesive tapes, 1 x Manual, 1 x Screwdriver