The device is designed to work as part of the ABAX2 two-way wireless system. & xa0. The PRF-LCD-A2 keypad is designed for operating and programming SATEL PERFECTA 64 M alarm control panels. The product is dedicated to working with ABAX2 ACU-220 and ACU-280 series access controllers. & xa0. The LCD display, which presents text messages, makes using even the advanced functionality of the alarm control panel simple and convenient. The built-in proximity card reader allows you to operate the system without having to remember a password. & xa0. The keypad is battery-powered (included) and communicates with the alarm control panel using a special radio transmission protocol (two-way communication). & xa0. Note: The device is not compatible with the ARU-200. & xa0. SPECIFICATION. Compatibility: ABAX2 - PERFECTA 64 M Frequency band: 868.0 MHz.. 868.6 MHz Radio communication range (in open area): 800 m Selected functions. Compatibility with ACU-220, ACU-280 series controllers - firmware version 6.06 or newer; Two-way coded radio communication; Clear LCD display with backlight showing detailed information about the system status; Illuminated keypad buttons; LED indicators displaying the device's operating status; Quick activation of the selected arming mode using function keys; Internal card and key fob reader - Unique EM 125kHz; Alarms: PANIC, FIRE, HELP triggered from the keypad; Acoustic signaling of selected system events; Remote configuration; Remote software update; Signaling of loss of connection with the control panel; Microswitch detecting keypad tamper; Energy saving mode; Environmental class EN 50130-5: II Power supply. Lithium batteries - 2 pcs CR123A 3 V (included); 5 V DC - APS-055 power supply (optional); Color: White Operating temperature: -10 °C.. 55 °C Weight: 0.24 kg - Without batteries Dimensions: 139 x 124 x 22 mm Manufacturer / Brand: SATEL Warranty: 2 years.