LONG MEASURING DISTANCE: 10 cm to 4 m (4 to 157 inches) from the sensor, suitable for various tanks. POWER ADAPTER: Input: 100–240 V AC; Output: 5 V DC. WIFI SIGNAL: The sensor connects to a router via 2.4 GHz Wi-Fi. Wi-Fi range is up to 30 m in open space. SAFETY AND HIGH RELIABILITY: IP65 waterproof rating. REMOTE TANK MONITORING: Check tank level from your smartphone anytime, anywhere. No need to manually inspect the tank. FULL AND LOW LEVEL ALERTS: Receive notifications when the tank reaches preset full or low levels. Adjustable alarm threshold via app. MULTI-TANK MONITORING: One app supports up to 10 sensors for monitoring multiple tanks. APPLICATION: Water or oil tanks. USAGE: Home automation system. OPERATING TEMPERATURE: –20 °C to 70 °C. COMPATIBLE OPERATING SYSTEMS: Android and iOS. APP: Tuya Smart App. MEASURING RANGE: 0.1 m to 4.0 m. POWER SUPPLY: 100–240 V AC to 5 V DC. WIRELESS MODE: Wi-Fi (2.4 GHz). PLUG TYPE: EU plug. COLOR: Orange. MATERIAL: Plastic. PACKAGE CONTENTS: 1 x Liquid Level Monitor. NOTE: Color may vary slightly due to lighting and screen settings. Measurement accuracy: ±1–3 cm.