Model: -40 Input impedance: 1000MΩ Attenuation ratio: 1000:1 Maximum test voltage: DC 0-40KV, AC 0-28KV (50/60Hz) Polarity: both positive and negative can be measured Accuracy: DC: ±1% to 20KV, ±2% to 40KV/AC; -5% to -10% at 50-60Hz Coefficient: 10-50PF variable Size: about 1.4 meters Temperature coefficient: ≤200PPM/°C Maximum load current: when 40μA (at 40KV DC) Maximum power consumption (heating): ≤1.6 watt Working temperature: 0°C~ +50°C Storage temperature: -20°C~ +70°C Ground wire length: 90cm (3.3ft) Cable length connected to meter: 100cm (3.3ft) Specified link: Digital multimeter with 10Ω input impedance Meter output indication: 1000 digits X, that is, 1V to 1000V Meter output indication: 1000 digits X, that is, 1V → 1000V 10V→10KV Color: As Shown Material: plastic Package Contents: 1 * -40 High Voltage Attenuation Probe Kit 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.