Features Easy to Use The magnetic switch proximity sensor can be directly connected to the transistor, TTL. MOS and other circuit logic interfaces. Wide Power Range The magnetic proximity sensor has a wide power range that ranges from 80 to 250 V AC, ensures a wide range of applications. Normally Open Type The set contains 5 magnetic switch sensors, the output mode is AC 2 wires normally open. ABS Material The proximity switch is made of premium ABS plastic material, very sturdy and stable for long time use. Simple Installation: Compact in size, the magnetic switch proximity sensor is convenient to install and maintain. Specifications: Item Type: Magnetic Proximity Sensor Material: ABS Model: SR 401 Output mode: AC 2 wires normally open Output current: 300mA How to use: Install and use. Package List: 5 x Magnetic Proximity Sensor Package List 5 x Magnetic Proximity Sensor