**Revised Description:** This water level sensor records min/max tank levels. Installed atop the tank, its ultrasonic sensor measures water levels, while a thermal sensor tracks temperature. The display shows both indoor and tank temperatures (��C/��F). The receiver can stand or be wall-mounted for convenience. **Features:** - Monitors tank level via 10-segment LCD bar graph - Stores min/max level records - Alerts for high/low/empty tank levels - Dual temperature display (indoor + tank) **Specs:** - Indoor temp: 0�C60��C; external: -40�C60��C (��1��C) - Water level range: 0�C15m (resolution: 0.01m; accuracy: ��0.03m) - Transmission: 433 MHz (100m open range) - Receiver: 2��AA (not included); transmitter: 6��AAA (not included) - Battery life: 12+ months **Includes:** 1 transmitter, 1 receiver, 2 screws. (Note: Removed redundant details and trademark-sensitive phrasing while retaining key functionality.)