SanJie Door Sensor Chime for Door Opens, Door Entry Chime for Business/Home/Office/Store,500 FT Range,26 Chimes 5 Adjustable Volume Door Ringer Alert Alarm 2 Receivers +1 Sensors

SANJIE WIRELESS DOOR CHIME SENSOR: Sanjie wireless door chime is visitor alert kit for family and business. It would alert door chimes when door opens or pet entry, and also notice you when customers come.
SANJIE DOOR SENSOR ALARM WITH MULTIPLE MELODIES & LOUD CHIME: This open door sensor have 55 unique ringtones available, 5 volume levels can adjustable(from 0 db to 110 db), you could programed each for a different tune so you know which door is opened
SANJIE WIRELESS DOOR CHIME EASY TO INSTALL : Just plug the wireless door chime receiver into standard outlet, tear the double-side adhesive tape of the door sensor alarm and stick them to any door or window,door chimes when door opens.
WIRELESS DOOR CHIME MULTI-PLACE SETTINGS RECEIVER: SanJie wireless door chime can be used for Home/Office/Store/Garages/Warehouse and different floors to ensure that alert chime are not miss.
SANJIE DOOR SENSOR ALARM SUPPORT MULTIBLE WIRELESS PAIRINGS: Our door chime wireless door sensor has receiver,it support to pair with multiple door/window magnetic sensor, also each transmitter can pair with multiple receivers