Suitable for a variety of coins. CPU process control with accurate scoring. Special precision and normal stall modes for smoother coin handling. Pulse output with available widths. Anti-fraud protection to prevent cheating, includes cheat alarm. Ideal for use in water vending machines, snack vending machines, or gaming machines. Identification accuracy rate: 95%. Compatible coin specifications: Diameter: 15mm - 29mm Thickness: 1.8mm - 3.0mm Applicable to various global coin types and foreign currencies. Operating conditions: Atmospheric pressure: 80kPa - 106kPa Operating voltage: DC 12V 10% Working current: 50mA Peak maximum current: 350mA (for less than 0.5 seconds) Humidity: 95% Storage temperature: -20C to 85C Operating temperature: -15C to 60C Recognition speed: 0.6 seconds Recognition accuracy: 99.5% Instructions: 1. Press the setting key (8) to display letter E (select currency system). Use the up/down keys to adjust the value. Press the setting key to confirm. 2. Display shows letter H (sampling quantity for each currency value). 3. Display shows letter P (signal output value for each currency). 4. Display shows letter F (precision level for each currency value). 5. Continue accordingly to complete settings for your selected currency. When letter E appears, turn off the power and restart the device. Color: As shown in photo Material: Plastic + Metal Package Contents: 2 x Coin Acceptor Kit Note: Light reflection and different displays may cause slight color variations between the image and actual item. Measurement error allowed: +/- 1-3cm.