QR Code Access Control Converter: MYH-1 Power supply: DC +12V Permits biggest lock output current: 3A(12V) Static power loss: 22mA Current action: 40mA (excluding electrical lock current) Open lock time: 1~10 seconds adjustable Lock and automatically open the door with time lag: 0.5 seconds Magnetic card standard: ISO 7811-7815 Allow the brush card speed: 10~120cm/s Magnetic head life: ≥600,000 times Working conditions temperature: -42℃ ~ + 45 ℃ …