Door Open Sensor Alarm, Entry Alarm for Home/Kids Safety/Business. 1 Sensor + 1 Panic Button + 1 Portable Receiver (Rechargeable Battery Operated) Adjustable Volume. 30+ Ringtones. 500 FT Range

【This kit Including 】A Portable Rechargeable Alarm Receiver (MH102) ; Door Open Sensor Alarm x 1; 1 SOS Call Panic Button with Lanyard x 1; USB Charging Cord (*CHARGER NOT INCLUDED).

【Portable Receiver VS Traditional plug-in Receivers】The receiver is fully portable and rechargeable, giving you complete freedom to place it wherever you need it most. Anywhere else you want instant alerts without being tied to an outlet. Move it easily around your home: Kitchen, Living room, Bedroom, Yard, Garage, Workshop, or Basement.

【500 ft Coverage Range】The effective working range between the door alarm and the alarm receiver is up to 500 ft / 150 m (tested in the lab’s open field), covering your entire home — both indoors and outdoors, upstairs and downstairs, including the yard, garage, shed, basement around the house.

【1-Year Long Standby Life with Low-Battery LED Indicator】The MH102 receiver lasts up to 12 months in a typical home environment with normal everyday use on a single full charge. Based on a one-year usage cycle, its power consumption is only 1/100 that of a wall-plug receiver, making it more environmentally friendly and energy-efficient.

【2-in1 Door Open Alarm & Standalone Door Chime】You can use it in whichever way you need. E.g. Door Open Alarm: Install it on a door to be notified when it opens. This is great for keeping track of toddlers or alerting you if an elderly person with dementia or kids/pest tries to leave the house. Or Single Door Chime: When a visitor or delivery person presses the button, the Receiver will sound, alerting you to thei…