SECRUI Wireless Doorbell, Door Bell Ringer Wireless 1000 Feet with 5 Volume Levels, Waterproof and dustproof, 32Chimes & LED Flash, for Home Classroom Office

Why choose SECRUI Plugin Wireless Doorbell 1 Expandable with Additional ReceiversTransmitters Simple code pairing allows you to expand your existing SECRUI wireless doorbell system with 2 transmitters and multiple receivers for your family or office needs 2 Ultralong Transmission Distance The wireless transmission range between the doorbell receiver and the doorbell push button is up to 300 m With its ultralong wireless range this wireless doorbell can be used not only in apartments but also in villas and large houses Work office shop classroom etc as well 3 Color LED Flash Light Indicator By pressing the button it not only lights up the transmitter blue indicator but also the colour LED indicator on the audio receiver flashes This feature is also useful for those with serious hearing impairments Perfect wireless doorbell for the elderly 4 Five Adjustable Volume Levels and 32 Bell From quiet to loud a great option for different environments You can set the doorbell at night to quiet mode or lowest sound mode This means you can hear the bell and the children dont wake up Classic and seasonal tunes selection of standard ding dong sounds You can choose a different jingle for every day 5 Easy Installation Plugin main bell units and a bell pusher with strong doublesided adhesive pad you just need to stick the doorbell to the door and plug the receiver into the socket If you want to fix the doorbell more permanently it comes with 2 screws Parameter Different transmitters can be adjusted to different tunes Memory function to keep settings when the receiver plug is removed or switched off Power 100240V Transmitter button battery 3V CR2032 Standby current 3mA Working current 11mA