Power supply: USB power supply Weight:350g Read type:ID button card Dimensions: Φ 27.5X130mm Environmental temperature: -40~80℃ Relative humidity:0%-95% Protection level: IP54/IP67 Hazardousrating: ExiaⅡBT4 Product Features: Durable、Waterproof Anti Throw、No buttons、non-loss、Direct reading card、Audible and visible hint、The device manufacturing industrial chip motherboard、Antistatic interference technology、Stable performance、All electronic components epoxy encapsulation、Use for bad environment、The cabinet GaoRen degrees import stainless steel、The embedded silica gel handle sets、anti-skidding、Feel is good Remarks: Collect data need to cooperate with communication a use