Unique and simple user guidance and 4 fanciers statistical data to the PC at home update mains connection (battery powered) connected connection cable cable and efficient power supply) The Revolution in Pigeon Sport - BENZING Ml revolutionary “self-help” user guidance system: With these features, the BENZING M1 will inspire enthusiasm in all pigeon fanciers who value simple and logical operation of their clock. BENZING Ml 1 1 1 1