Brief TT-885 is an advanced and compact outdoor Coin & Card payphone designed to provide cost effective solution with number of value added features. Feature Coin/card combined payphone Various payment modes can be consider; coin,ISO standard smart card and credit card (option) Card authentication through security module (SAM) Usable coins : --Diameter: 18~32 mm --Thickness 1.2~3.0mm Coin Slot: -- Storage Capacity:7 coins -- Single slot for multi-coin,Max.7 coins to be inserted at one time --Distinguish 8 kinds of coins at maximum. Coin Box capacity : 2.2 liters Touch Tone/ Pulse selection Voice indication & Fax function (option)