The water immersion probe touches the water alarm, and sends a message through app reminder; Intelligent linkage Input voltage: DC3V CR123A Quiescent current: ≤20uA Alarm current: ≤125mA Low-Voltage Indication: ≤2.7V WIFI: 802.11b/g/n Detection method: water detection Installation method: Mount on the ground Working temperature: -10-50℃ Working humidity: up to 95%RH