Features:

• Use to measure the PH & TDS of solution.
• Easy calibration of pH and TDS with just a mini-screwdriver.
• Separate pH and TDS electrode, ATC function.
• Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems.
• Automatic temperature compensation.
• CE and RoHS certificated to offer safer and precise measurement.

Specifications:

• Length of TDS Electrode Line: Approx. 113cm / 44.5in 
• Length of pH Electrode: Approx. 118cm / 46.5in 
• Power supply:  DC  6V (Power Adapter Usable)
• Battery: 4×1.5V AG-13 Button Cell Batteries (NOT Included)
• Color: Blue
• Material: ABS
• Item Size: Approx. 7.5 * 6.7 * 2.5cm / 2.9 * 2.6 * 1.0in (Excluding TDS Electrode)
• Item Weight: Approx. 99.8g / 3.5oz (2 in 1 Meter Body)
• Package Size: Approx. 21 * 10.4 * 5cm / 8.3 * 4.1 * 1.9in
• Package Weight: Approx. 346g / 12.2oz
• Working temperature: 0°C ~ 50°C (32°F ~ 122°F) 
• Temperature Compensation: 0°C ~ 50°C (32°F ~ 122°F) 
• TDS:±2%F.S
• Accuracy: pH: ±0.1pH
• TDS: 0.01ppt  
• Resolution: pH: 0.01pH
• TDS: 0.00 ~ 19.99ppt
• Range: pH: 0.00 ~ 14.00pH

• 1 * 2 in 1 Meter 
• 1 * User Manual
• 1 * pH Electrode 
• 1 * AC-DC Adapter
• 2 * Suction Cups
• 1 * Bracket
• 1 * Mini Screwdriver