433MHz Wireless Door Window Magnetic Contact Sensor Detector Switch Alarm Home Garage Security Kit

Widely Use: Ideal entry warning for homes, apartments, mobile homes, dorms, offices, hotel rooms, garages, and more. Easy to install: One part installed on the fixed door frame and the mating part is mounted at the corresponding place on the door.Simple to install no hassles. Easily mounted by adhesive stickers, no other tools are needed, easy and quick installation. High Quality: Built-in omnidirectional antenna, accurate, high-performance and low power consumption. Sensitive respond and long durability. Protective Device: This is a set of magnetic detecting switch used to protect doors and windows for the most part, monitors the opening and closure of doors and windows. 433MHz transmitting frequency, wireless connection. Warranty: 1 year warranty, 30 days money back, 7x24 hours email support.