Welcome to our store! 1. Large high-definition LCD display with backlight for easy reading even in dark environments. 2. Ergonomically designed instrument body, comfortable to hold and use, easy to operate. 3. The button layout is compact, with a non-slip design on the side and soft buttons for a comfortable hand feel. 4. The resistance measurement range is 10^3-10^10Ω, with high-accuracy numerical measurement, reducing various errors. 5. It can measure the resistance value of the object's surface, specially applied to various anti-static fields. Item Type: Surface Resistance Tester Material: ABS Color: As the picture shows Size: Approx. 63.6 x 31 x 125.8 mm / 2.50 x 1.22 x 4.95 inches Model: GM3110 Battery: 1 x 6F22 9V (Not Included) Application: Used in various anti-static fields Resistance Measurement Range: 10^3-10^10Ω Resistance Measurement Error: ± 1 count (10%) Measurement Response Time: 1S Temperature Measurement Range: 0℃~50℃/32~122℉ Temperature Measurement Error: ±2℃/±3.6℉ 1 x Surface Resistance Tester (Battery Not Included) 1 x Ground Wire 1 x Instruction Manual Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.