Garrecht VT-01 mode S transponder, built 2015, with antenna. Class 1 Transponder, in sturdy aluminium box with internal 12V 7Ah battery, resettable fuse, voltage indicator circuit protection, battery charger and backlit LCD display. Weighs 6kg, 200 x 95 x 260 mm. Can store up to 5 hexadecimal callsigns. ETSO-2C112b / ED-73B certified, mode A/C and S level 2 mode, squitter extension. Built-in altitude encoder, max 40.000 feet. 10-32V DC power supply. Rated output power min. 220 W. Average power consumption at 13.8 V DC: 0.35 A. Only 10 flights, needs new battery.