PST-DS100B Wireless Door Magnetic Sensor
Original price was: 550৳ .399৳ Current price is: 399৳ .PST-DS100B Wireless Door Magnet Sensor with built-in antenna. Long-range 433MHz transmission up to 200m, powered by 23A 12V battery. Compact, easy to install, with low power consumption and reliable performance for smart home security.