Power supply: 3V batteries Operating current: 0.02mA Service life:>10 years Weight:220g Memory capacity:2000/8000 Read type:ID button card canning material: import 304 high quality stainless steel、silica gel(handle sleeve) 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