Coin-Operated Time Control Box Working Principle: Automatically turn on/off the electric appliance by timing the power supply according to the preset price. Main Features Equipped with our TR520 Intelligent Multi-Coin Acceptor ( Interface Logic: BYTE). Automatically record the deposited coins, and the data can be recalled anytime. The length of timing unit is adjustable from 1min to 99hours. The price of timing unit is adjustable, and the time will be accumulated if the coins deposited are multiples of the preset price. 4-digits LED display shows the deposited coins and time.   Basic Technological Parameter Working Voltage: 220V or 110V Maximum Output: 220V/10A or 110V/5A Dimension: H26*W9.5*D18.5/21cm (unboxed); H30*W13*D23cm (boxed) Weight: 3.06kg (net); 3.3kg (boxed)