Wireless LCD Display: Clear and easy-to-read screen that shows water level, temperature, and other vital statistics. Multi-Channel Setup: Supports up to 8 channels, allowing simultaneous monitoring of multiple tanks. Temperature Monitoring: Keeps track of the liquid temperature, ensuring your storage conditions are optimal. Height Monitor: Accurately measures the liquid level, helping you manage resources better. Alarm Clock Function: Integrated alarm system alerts you to critical changes in levels or conditions. Indoor temperature range: 0°C-60°C Outdoor temperature range: -40°C-60°C Temperature accuracy: ±1°C Water level measurement range: 0-5m Resolution: 0.01m Accuracy: ±0.03m Transmission frequency: 433MHz Transmission distance: 150 meters (450 feet) Sampling rate: when water level changes, 3 minutes when water level remains unchanged Display console battery: 3xAAA batteries (not included) Liquid level sensor (with solar panel) battery: 4x1.5V AA batteries (not included) Note: The solar panel is not used to charge the battery, it is only used as an auxiliary power source Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Voltage: AC220V Plug Type:EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on Color: As Shown Material: ABS Package Contents: 1 x display console 1 x level sensor 1 x adapter 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.