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:DC12V10% Working current:50mA Moment maximum current:350mA(less than 0.5S) Humidity:greater than equal 95% Storing temperature:-20C-+85C Operating temperature:-15C-+60C Recognition speed:greater than equal 0.6sec Recognition:99.5% Instructions: 1.Pressing the setting key(8),and then you will see the letter E,(choosing)several currency system),after that you can press the accurate key or broaden key to increase or decrease the numerical value.After setting up,please press the setting key to confirm. 2.Appearing the letter H(the quantity of sampling for various currency value). 3.Appearing the letter P(the numerical valuef for signal output of various currency value). 4.Appearing the letter F(the precision of various 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 will reopen again. Color:Silver+Black material:plastic Package Contents: 4 x Coin Acceptor 4 x Wiring 16 x Screws Only the above package content, other products are not included. Note: Light 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.