4-in-1 Portable PH/TDS/EC/TEMP Test Pen Multi-Function Water Quality Tester, 4-in-1 Test Pen1. Measuring range: PH: 0. 00 16. 00ph; TDS: 0 19990ppm; EC: 0 19990s cm 2. Resolution: 0. 01 ph; 1ppm; 1s cm; 0. 1 degree C; 0. 1 degree F 3. Accuracy: PH: + 0. 01 ph; TDS EC: + 2%; temperature: 0. 5 degree C 4. Battery: 3x1. 5V LR44 button battery (not included in delivery) 5. Temperature: 0. 1 60. 0 degrees Celsius; 32. 0 140. 0 degrees Fahrenheit 6. Calibration: PH: Three point automatic calibration (6. 86&4. 00&9. 18ph); TDS: 1413s cm; EC: 1413s

Support ECG electrocardiogram function

and 180 degrees overhead shooting

Shape: twisted potato

40HQ: 9672 cartons * 40 pcs = 386880 pcs

Ace 5 Racing

Easily record party chats using your game capture HD

Charging compartment size: 58x56x29mm

Dimensions: 62x26x16 cm

Dual Phone Brackets Horizontal

The product has a long telescopic function and supports a maximum length of 280mm

Loading Container 20GP: 1554 cartons * 60 pcs = 93240 pcs

Built-in large capacity lithium battery