Specifications:

• Auto shut off: 5 Minutes
• Batteries: 3*1.5V LR44 button cell(not included)
• Brand Name: JUANJUAN
• Certification: CE
• Display Type: DIGITAL
• EC Measuring range: 0-19990ppm
• Funtion 1: ph monitor aquarium
• Funtion 2: tds ph meter
• Funtion 3: ph ec tds
• Model Number: ph ec tds meter 4 in 1
• Origin: CN(Origin)
• PH Measuring range: 0.00-14.00pH
• TDS Measuring range: 0-19990μS/cm
• Is Smart Device: No
• With Backlight Or Not: Yes