Easy to Install Door Contact Switches Surface~mounted Door Suitable for Window & Door Alarm System ble

Features:OOTDTYOur quty surface-mounted door is designed to provide reliable and alarm capabilities for window and door security system. Its ble construction ensures -lasting performances and peace of mind.Experience convenience with our door contact switches, which is perfectly suited for window and door al as well as burglar s. Its easy installation proce es it a hale-free solution for enhancing your home security.Build to last, our surface-mounted door offer effective monitoring for window and door acce points. With its robusts design, it provides dependable and ensures the safety of your premises.Enhances the security of your home with our easy-to-install door contact switches. It is specifically designed for window and door alarm system, providing a reliable and efficient meansof detecting any unauthorized entry.Our versatile surface-mounted door is an exceptional choice for effective in window and door intrusion alarm system. Its advanced technology ensures accurate sensing, allowing you to safeguards your property effectively.Specifications:Material: ABS Flame retardantSensing distance: 15-20MMOperating voltages :100VAlarm currents :500mACurrents :0.5Aoutput: normally closed/normally open conversion NC/COMFixing method: surfacing mountConnectionSize: 55×22×11mmPaage Includes:1 set DoorNote:Please allow 1 to 3cm error due to manual measurement, please e sure you do not mind before you bid,Due to the difference between different monitors, the picture may not reflect the actual color of the item.