Portable O3 Ozone Gas Detector With Sound + Light + Vibration Alarm Systerm Professional Gas Leak Detector Air Gas Analyzer • Industrial-grade sensor, high precision, real data, strong stability, real-time detection, can view the historical alarm data, and has a data storage function • Triple alarm mode (sound, light, vibration) is not easy to ignore, high security, high and low alarm value can be set free • 3.7v rechargeable lithium battery, battery capacity 1500MA, charging time is less than five hours, continuous work for more than ten hours (gas detection is not less than 7 hours) • High-strength ABS material, waterproof, dustproof, explosion-proof, three anti-design • The use of mainstream 8-bit micro-control technology, fast response, high precision, stability and repeatability, simple operation, small size, portable and durable, with a high degree of waterproof performance, withstand the harsh environment of the test Product Name: portable single gas detector Detect Gas: O3 Ozone Gas Color: black and yellow Type: Portable Shell material: ABS Guidance: LCD screen displays real-time data Display: temperature, time, detection of gas Detection method: Diffusion type Alarm mode: sound, light, vibration Power supply: rechargeable 3.7V lithium battery(built in) Charging time: less than five hours Battery working time: continuous work more than 10 hours Working temperature: Normal Explosion-proof mark: Exib IIB T3 Gb Protection class: ip65 Record storage: 1000 groups of alarm records Measurement Range:0.1-20ppm Product Size: 109 * 60 * 30mm Package Weight: 1000g We are professional factory of doing gas detector. we support more than 30 kinds of sensors, flexible configuration, we support customize the gad according to customer needs.