... ME001ABrief introduction:BLJ-ME001A is a type of reflex infrared sensors controller, which is developed and manufactured by Shenzhen ... Dedicated infrared shell: small volum outer covering, easy install, filter falselight, waterproof.3. Picture of object: 4. Instroction of connection: ... low.2. Different colors of the objects to the infrared will get different inflection efficiency, and the detection ...