With LCD screen: Yes Gas type: CO DIY supplies: Electrical Weight: 81g (2.86 ounces) Display: LCD screen<br><br>Model:DM1210B (Celsius) Measurement items: CO, temperature, humidity CO detection method: Electrochemical CO measurement range: 0-500 ppm Atmospheric pressure: 12.5 PSI- 15.4 PS Sampling time: 1.5 seconds Temperature range:-10℃-50℃(14℉-122℉) Storage temperature:10℃-60℃(14℉-140℉) Relative humidity:20%-85% Humidity range:20%-85% Power supply:800 mAh rechargeable lithium battery, via Type-C Port charging Dimensions:70 x 70 x 32mm (2.7 x 2.7 x 1.26 inches) Colour:White Material:ABS<br><br>Package Contents: 1 * Carbon monoxide detector 1 * Data cable<br><br>Only the above package content, other products are not included. 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.