ITEM NAME:Reed sensor module magnetron module reed switch MagSwitch For Arduino ME 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 Included:.1 x Reed sensor module magnetron module. Output Type: Digital switching output (0 and 1). Sensor Module. Color:As shown in the pictures. With fixed bolt hole for easy installation. Size: 3.2 x 1.9 x 0.7 cm.