Description: 【Package Contents】: 1 Receiving Part, 1 Transmitting Part, 2 Mounting Screws, 1 Type C Cable, 2 Cotton Bags, 1 Chinese and English Bilingual Instruction Manual. 【Features】: The Liquid Level Meter has a backlight display for easy reading and features time functionality with options to switch between 12H/24H formats; it can display indoor temperature and tank temperature, and monitors water level height with an Bar Graph. When the water level is too high or too low, it also has an alarm function. 【Waterproof】: This Water Tank Liquid Depth Level Meter Transmitting Part is IP65 waterproof to ensure durability even in harsh conditions. 【Material】: Liquid Level Transducer Is made of premium material for long term use. 【4.3 Inch Display Screen】: Large screen, measurement data is clear and easy to read. Specification: Receiving Part Indoor Temperature Range: 0°C~50°C/-32°F~122°F. Transmitting Part Water Tank Temperature Measuring Range: -40°C~60°C/-40°F~140°F. Water Level Measurement Range: 1~5m. Temperature Resolution: 0.1°C Accuracy: ±1°C. Water Level Resolution: 0.01m Accuracy: ±0.05m. Trans Distance: 100 meters in the open. Screen Size: 4.3 inches. Power Supply (battery not included): Receiving Part: 3 AAA battery power supply (battery not included)/TYPE C cable Power Supply(cable included); Transmitting Part: 6 AAA battery(battery not included). Size Chart: Transmitting Part: 6.8cmx10.9cmx16.7cm/2.68inchx4.29inchx6.57inch Receiving Part: 13.5cmx2.6cmx8.4cm/5.31inchx1.02inchx3.31inch Package Includes: 1 Receiving Part, 1 Transmitting Part, 2 Mounting Screws, 1 Type C Cable, 2 Cotton Bags, 1 Chinese and English Bilingual Instruction Manual. Note: Please allow slightly errors 1-2cm differences due to manual measurement.