A 2500mAh lithium battery is embedded inside the indoorCO2 monitor, supporting a long time of continuous use, it adopts11.8 inch a and distinct LCD screen for ease for temperature or data viewing. display based on your need. This multifunctional air quality monitor can accurately detect the current CO2 concentration, temperature, and humidity in the air. It can help you understand indoor air quality at a . It can be placed on the desktop, and the back bracket can be adjusted in four gears according to the 's viewing angle requirements to the best viewing angle; it can be hung , and the screen can be clearly displayed and visible from a long distance. When the concentration of carbon dioxide in the air reaches the warning standard, it will automatically sound the alarm, and the alarm sound can be switched freely. Wide Range of Application Scenarios: It can be applied to air quality detection in , and can also be used in greenhouse air quality detection and adjustment of plant growing greenhouses, or industrial application scenarios that require a environment. Main Specification 1.Product Name: Air Quality Detector 2.Model Name: -088 3.Detecting Item: CO2 / Temp / / 4.CO2 : 400-5000ppm (50ppm + 5%) 5. : 0-499 6.Temperature : 0-55 (C/F switchable) 7.Humidity : 0-99% 8.WIFI : WIFI function active, display WIFI 9.Modbus : active Modbus, Modebus will be lightened 10.Battery : Show battery usage and charging status; 11. : value based on CO2 value, displaying value will be from 0-499; 12.-Battery: 2500mAh ( Working time: around 2 Hours ) 13.Type-C Power Supply: 5V/2A 14.WiFi: IEEE802.11/b/g 2.4GHz 15.Bluetooth: BLE5.0 16.Size: 30 x30 x 20CM 17.Flash Capacity: 512 KB 18.Rated Power:10W 19.WIFI supporting: Tuya WIFI+BT CB3S 20.Connecting Platform: Tuya APP / PC tool / Tuya Server/Modbus connecting 21.RS485 input: 5V/1A 22.RS485 transmission rate: 10Mbps 23.Data : 10 minutes will update , flash will 30 data Plug Type:EU Plug,it applies to Indonesia, , , , and so on size: 30 x 30 x 20CM : ABS colour: White Package Contents: 1 x Air Quality Detector 1 x Charging Head 1 x Data Cable 1 x Wall Mount Screw Bracket/Sticker, 1 x English manul 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.