Power supply: DC 5~16V Running current:≤100mA Type of cards:EM/M1(optional) Reading operation: Read the card serial number Colour: black Read Range:M1:4-8cm EM:5-15cm Communication interface:WG26/34、With keyboard digital output Communication distance: 100m Dimensions:97mm×95mm×20mm Environmental temperature: 0℃~+70℃