タイトルまたは説明

Features 1. Utilizing the digital variable frequency and CPU microprocessor digital control technology. 2. Distinguishing the size of intruder, make instant alarm when there is intruder. 3. It is available for using sync cord or no sync cord, wired or wireless alarm output. 4. Two frequencies are optional, completely solve the adjacent interference.**0° rotation after the installing seat is fixed. 5. Using an external wired, make the installation easy. 6. Adjustable sensitivity according to the environment change or light intensity.