Easy to install and use: wireless doorbell easily plug the receiver into an electrical outlet (batteries are not required for the main receiver). the push button can be fixed to the door frame with the adhesive tapes attached. simply mount the doorbe
Multiple use: it is suitable for home, apartment, office, villas and more. you can use our bells to train dogs, use them to calm the classrooms, seniors and the disabled use bells as life-assisted call seekers! ensures that no visitor will be lost, y