1. Carbon dioxide detector: split probe sensor external probe sensor, greenhouse planting CO2 alarm. 2. Large screen display, intuitive reading: large LCD display clearly shows carbon dioxide, temperature, relative humidity and real-time clock. 3. Carbon dioxide concentration automatic control: carbon dioxide affects the photosynthesis of vegetables, installing carbon dioxide sensors in the greenhouse can that the carbon dioxide concentration is insufficient in the case of timely replenishment. 4. High-precision probe sensor: Split probe sensor external probe sensor, highly sensitive measurement of carbon dioxide content. 5. Applicable to a variety of industries and scenarios: suitable for agricultural applications, such as greenhouses/hydroponic . Colour: C Black & White Material:ABS style:Dual Channel Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. voltage: AC100-240V Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Carbon Dioxide Controller Kit 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.