<p>Multi Gas Detector Gas Meter O2 H2S CO LEL 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Gas Leak Detector</p> <p>Product Name: ADKS-4 Gas Detector</p> <p>Measuring gas: oxygen carbon monoxide hydrogen sulfide</p> <p>Display error: less than equal 5%</p> <p>Response time: TLess than 30s</p> <p>Indication : LCD displays real-time data and system status</p> <p>LED, sound, vibration to indicate alarm, fault and undervoltage</p> <p>working environment:</p> <p>Temperature: 20Celsius~50Celsius;</p> <p>Humidity: Less than 95%RH without condensation</p> <p>Working voltage: DC3.7V (Lithium battery capacity 2000mAh)</p> <p>Charging time: 6h~8h</p> <p>Standby time: more than 8 hours</p> <p>Protection class: IP65</p> <p>Size: 130x65x45mm</p> <p>Weight: about 0.5kg</p> <p>Colour:orange</p> <p>Material: ABS</p> <p>Package Contents:</p> <p>1 x Multi Gas Detector</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.</p> <p></p>Thanks