Red Lion CUB7 High Voltage Miniature Electronic Counter Digital Panel Meter with LCD Green Backlight, 8 Digit LCD Display, 50-250 VDC/VAC, 50/60 Hz Input Max Count speeds up to 10khz 9 Programmable time ranges High voltage inputs, standard wire connections or optional plug-in terminal block Internal lithium battery provides up to 7 years of typical uninterrupted operation NEMA 4X/IP65 sealed front bezel that fits 1/32 DIN cut-out