Handheld controller with built-in RFID cards reader and LCD touch screen display, dimensions 73x143x22mm, reading frequency 13,56MHz, reading range up to 7cm, backlit 3” LCD touch screen (resistive), resolution 480 x 270, FLASH memory for 30.000 users/100.000 events, wifi interface for data exchange, RTC (real time clock), operating temperature: from -20 to +60°C, built-in battery (1,2Ah), wireless charging with enclosed charging station, power consumption up to 3W (ECO mode 2W)