Features: According to the material and diameter of coins, it is very accurate to identify true coins. You can freely set the required currency, do not need to compare the sample money, CPU automatically memorize the set of coins. A maximum of 2 coins of different specifications can be set up (2 different coins can be identified simultaneously). Three pulse speed signal output, N.O. and N.C. output switch adjustment, wide range of applications. The signal output mode can be modified according to need: pulse. The accumulative signal output and time control function can be increased, and the function of prohibiting receiving coins can be increased. Package Includes: 1x Coin Machine Specifications: Material:Metal Applicable products: doll machine, water vending machine, game machine Scope of application: coin-operated Connection method: wiring Working temperature: -15-50 Working voltage: DC 12V20% Coin diameter: 22-28mm Coin thickness: 1.7mm/2.2mm note: 1.Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.