12V DC power supply and stands in a situation alone on the same counter module battery 3-Bit red 0.36 inches digital tube-shaped display trigger counter module batteryDescription:Turn on the calculator, every time the power is on, the calculator adds one. It returns 0 when it exceeds 999.Trigger Calculator, every time you get a trigger signal, the calculator adds one. Returns 0 when it exceeds 999.Parameters:1gt;. Item Name: QF-MC03 DC 12V Power Counter Module/Trip Counter Module2gt;. Model:QF-MC033gt;. Operating voltage: DC 6.5V-16V4gt;. Operating Mode: Power On Mode/Trigger Mode5gt;. Display: 0.36" 3-bit red6gt;. Operating temperature: -40 C - 85 C7gt; Operating Humidity: 0% - 95% RH8gt;. Size: 43*23*11mm Feature:Power Counter Module:1gt;. Each time the power is on, the calculator adds one.2gt;. Returns 0 when it exceeds 999.3gt;. Short key pads for more than 3 seconds to clear the statistical value. Trigger counter module:1gt;. Each time you press "key", the calculator adds one.2gt;. Returns 0 when it exceeds 999.3gt;. Short key pads for more than 3 seconds to clear the statistical value. Application:1gt;. On-Counter/Trigger Counter2gt;. Industrial Control3gt;. Equipment ControlPackage:1 x QF-MC03 DC 12V Counter Module