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 adjustable widths. Anti-fraud design to prevent phishing and other cheating methods, 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 Supports various types of coins and foreign currencies. Operating conditions: Atmospheric pressure: 80Kpa - 106Kpa Operating voltage: DC12V ±10% Working current: 50mA Maximum momentary current: 350mA (less than 0.5 seconds) Humidity: up to 95% Storage temperature: -20°C to +85°C Operating temperature: -15°C to +60°C 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 increase or decrease keys to adjust the value. Press the setting key to confirm. 2. Letter H appears (number of samples for currency value). 3. Letter P appears (signal output value for currency). 4. Letter F appears (precision level for currency detection). 5. Continue accordingly to complete settings for the selected currency. When letter E is displayed, turn off the power and restart the device. Color: Photo Color Material: Plastic + Metal Package Contents: 2 x Coin Acceptor Kit Note: Light reflection and differences in display screens may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3cm.