Battery: 3*1.5V button battery (not included), of power supply battery. Product model: EC-8801 Product name: Soil EC/Temperature Tester EC measuring range: 0.00-10.00ms/cm Range of automatic temperature compensation: -30℃~80℃ °C/°F measuring range: -30°C-80.0°C, -220°F-176°F Data retention H Battery display C/°F temperature switch Low battery alarm IP67 waterproof Colour:black Material:plastic Package Contents: 1 x soil meter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. 1. Plug and play, convenient and quick to use. 5. Product size: 37mm x 37mm x 280cm 4. Lock button: After the value is stable, click the hold button to lock the current value. If you need to re-measure, please press the hold button again. 3. High-quality detachable probe electrode: replaceable, more convenient for maintenance, rust-, , and suitable for various soils. 2. Large-screen LCD display, high-definition display color screen display, more comfortable experience, large viewing angle.