Click to expand Tap to zoom Stanley 66-137 Digital Voltage Tester / Test Pencil by Stanley Sale ₱115.00 | / - 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Stanley 66-137 Digital Voltage Tester / Test Pencil NCV Sensitivity: Three levels (low, medium, high) Working temperature: 0 ~ 40 ℃ Storage temperature: -10 ~ 50 ℃