Operating voltage: 5 ~ 25V
Operating Current: !#!lt!*!60mA
Display: 0.56 "LED
Measurement rate: ≥ 300mS
Measurement accuracy: 1%
measurement range:0 ~ 99.9V
Operating temperature: -10 °C ~ +65 °C
Operating Humidity: 10 ~ 80% (no  condensation)
Nixie tube Size: 38×19×9mm
Item size: 44 x 26 x 21 mm
Sun exposure: no direct exposure