ARDUINO Accessory, Reed Switch Module

- Material: PCB - Open reed switch - Comparator output, clean signal, great waveform, and strong driving ability - More than 15mA - Working voltage: 3.3V~12V - Output format: digit switch output (0 and 1) - Fixed bolt hole for easy installation - Using a wide voltage LM393 comparator - Applies to PBX, photocopiers, washing machines, refrigerators, cameras, disinfection cabinets, doors, window magnetics, electromagnetic relays, electronic weighing, level meters, gas meters, water meters, etc. Dimensions: 1.57 in x 0.55 in x 0.28 in (4.0 cm x 1.4 cm x 0.7 cm) Weight: 0.18 oz (5 g)