Elcometer D236-30kV Holiday Detector (0 - 7.5mm (0 - 300mils), 0.1kV)

Voltage output: 0.5 - 30kV in 100V steps
Display Resolution:  0.01kV
Approximate Thickness Range: 0 - 7.5mm
Alarms: Audible & Visual
Power Supply: NiMH 12V internal rechargeable battery
Battery Life: 10/12 hours continuous use,  20/24 hours with the optional external battery pack
Dimensions: 200 x 170 x 70mm 
Weight: 2.8kg 
Packing List: Elcometer 236, probe handle and lead, band brush probe, 2m (79”) & 10m (394”) signal return/earth leads, battery charger with 3 mains cables (UK, EUR and US), carry case, transit case and operating instructions