Features: Sensor Module Apply to switchboard, duplicator, washing machine, refrigerator, camera, disinfector, electronic scale, juice level gauge, gas meter and water meter, etc Specifications: With fixed bolt hole for easy installation Working distance: 1.5 M Operating voltage: 3.3 V-5 V Output Type: Digital switching output (0 and 1) Size: 3.2 x 1.9 x 0.7 cm Net weight:4 g Color:As shown in the pictures Package Content: 1 x Sensor Module