Tuya WIFI 3 IN 1 PH/ORP/Temp Meter controller Water Quality Tester pH monitor Acidometer for Aquarium APP Control US/EU Plug feature: Tuya smart WIFI connection/real-time data transmission: Download the Tuya APP, you can view the current data and historical data on the mobile phone, and alarm when the data is abnormally high or low. Real-time data transmission: You can view daily, weekly and monthly data to easily grasp the water quality. APP alarm setting: set high or low alarm value, if it exceeds the set value, it will alarm. In the Tuya APP, choose to create a smart scene, set the safety range in the smart scene, and select the alarm method. FUSE fuse protection: When the current is abnormal, the fuse will be blown when it reaches a certain height, and the entire circuit will be cut off to protect it. Can detect at the same time: PH/ORP/Temp three values, LCD backlit display, clear reading, back hanging hole, can be hung on the wall for flexible use. High-precision electrode/fast measurement: high precision, fast response, more stable data, long corrosion resistance, long service life, and simple maintenance. Widely used: domestic water, fish tank, aquarium, swimming pool, aquaculture, laboratory, etc. specification: Model: PH-W2839 Power supply: US/EU (optional) WiFi mobile APP connection: yes APP real-time monitoring: yes View daily, weekly, monthly data: yes Measuring range PH: 0.00-14.00PH ORP:-2000~+2000mV TEMP: 0-50c (32F-122F) Alarm setting range PH: 0.00-14.00PH ORP: -2000~2000mV Package Included: Host*1 Controller*1 ORP electrode*1 PH electrode*1 Temperature electrode*1 Power plug*1