KULUSUPA Wireless Doorbell, Battery-Free

【7 Colors of Light and 38 Melodies to Choose From】When the doorbell transmitter is pressed, a call tone will sound, and at the same time, a 7-color LED light will flash to notify you. This is very convenient for the elderly or those with hearing impairments. You can choose from 38 melodies. If the receiver has no sound, it can be resolved by repairing it with the transmitter. Method: Press and hold the volume button on the receiver, then press the transmitter to pair. Alternatively, you can contact customer service directly.
【Waterproof, Dustproof & Battery-Free Energy-Saving Design】The self-generating transmitter is economical and energy-saving as it requires no batteries. The doorbell push-button transmitter is IP44 waterproof and has excellent dust and water resistance, making it easy to use outdoors or in the bathroom.
【200m Wireless Range & 4-Level Volume Adjustment】This doorbell set uses a high-sensitivity receiver that can receive signals stably through walls, wooden doors, steel doors, etc., and can be used in multi-story buildings. Wireless communication can reach up to 200 meters in open areas without obstacles. You can rest assured even in a large house. Ideal for nursing care, notifying from a distance with a chime.
【Easy Installation】No wiring is required with this wireless chime. There is no inconvenience of battery replacement. Simply plug the doorbell receiver into an outlet, fix the transmitter to the door frame (can be attached with double-sided tape), and press the button to activate the chime. Easy and convenient to install. Children and the elderly can also use it. Our wireless chime is suitable for homes, bathrooms, nursing care sites, restaurants, as well as offices and warehouses.
【Multi-Purpose and Quality Assurance】Can be used as a call button for the elderly, pregnant women, or people with disabilities, as a doorbell for visitors, for communication and calls in stores and offices, and for calls from nursing care sites, washrooms, and warehouses in various locations.