Suitable for a variety of coins. CPU process control, and accurate scoring. Special precision/normal stall, coins smoother. Pulse output available widths. Prevent phishing and other means of cheating,cheat alarm. Suitable of water vending machine, snack vending machine or game machine. Identify accuracy rate: 95% Applying coins: Diameter: 15mm-29mm Thickness: 1.8mm-3.0mm Applicable to all kind of coins and foreign currencies. Atmospheric pressure: 80Kpa-106Kpa Operating voltage: DC12V 10% Working current: 50mA Moment maximum current: 350mA (less than 0.5S) Humidity: 95% Storing temperature: -20--+85 Operating temperature: -15--+60 Recognition speed: 0.6sec Recognition: 99.5% Instructions: 1. Pressing the setting for key(8), and then you see the letter E (choosing several currency system). After that you can the accurate for key or broaden for key to increase or decrease the numerical value. After setting up, please the setting for key to confirm. 2. Appearing the letter H (the quantity of sampling for currency value). 3. Appearing the letter P (the numerical valuef for signal output of currency value). 4. Appearing the letter F (the precision of currency value). 5. By parity of reasoning , setting is finished with your chosen currency. When the letter E is shown, plase turn off the power and it reopen again. Colour:Photo Color Material:plastic+metal Package Contents: 2 x Coin Acceptor Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.