Wireless Doorbel,2 Plug-in Receivers,1 Push Button,LED Flash, 52 Melodies

【Mini Design Doorbell】: Very portable size to plug in UK socket. Transmitter button with waterproof structure design, rated IP55 weatherproof and acceptable for outdoor use. A battery is included in push button(Trasmitter), please tear off the insulated film before use.

【High Performance】: wireless doorbell could operate within 500~1000ft(in open air). Both of the transmitter and the wireless receiver will flash when someone pushes the transmitter button, you will be notified by the blue light even if you are wearing your headphones or earplugs.

【52 Chimes & 4-Level Volumes】: please press forward or back button to select your favorite melody. Four levels of adjustable volume from 25db to 110db, Memory function for sound and chime selection, no interference from any nearby wireless products.

【Easy to Install】: Simply plug the chime into a UK power supply, Push buttons could be fixed to the doorframe with screws or the attached adhesive tapes (both included). Any help need,please feel free to contact with Techole after-sale Service.

【Expandable Doorbell Kit】: easy to DIY, you can add additional chimes or bell push buttons in Techole of the same kind, each receiver can be configured with the same or different tones.