Photo 1 of HJJS01 15M Wired Real-time Smart Home Water & Fuel Tank Liquid Level Detector - Ultrasonic Controller with High & Low Level Alarm

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Photo 1 of HJJS01 15M Wired Real-time Smart Home Water & Fuel Tank Liquid Level Detector - Ultrasonic Controller with High & Low Level AlarmPhoto 2 of HJJS01 15M Wired Real-time Smart Home Water & Fuel Tank Liquid Level Detector - Ultrasonic Controller with High & Low Level Alarm