pond water level alarm

Wanlin Announces WL-WL300 Zigbee 3.0/WiFi Pond Water Level Alarm for International Markets Including 2026-06-11
pond water level alarm direct from Wanlin Fire Protection — 12-year factory experience, WL-WL300 fully certified CE/FCC/RoHS. Key specs: Zigbee 3.0/WiFi wireless, 3s alert push via APP Push + Audible 75dB, 2-year CR2032