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Came-TV Came-Astral Wireless Lens Control System/Wireless Follow Foucs System for Most DSLR,Mirrorless,or Cine-Style Lenses (Upgraded Version)
General features Model ASTRAL MKII Working frequency GHz Communication distance 100 (outdoor，no obstruction) Transmit power 0 dBm Working temperature -20 to 55 °C Motor Weight 200g Size Max torque 0.50 Nm Max run speed 250 rpm Working quiescent current 70 mA (@12 V) Stall current 1.5 A (@12 V) Working voltage 12-18 V Noise <25 dB (@100 rpm) Gear modulus 0.8 Number of gear 40 Controller Weight 250g Size Battery type LIPO Battery voltage 3.7 V

Price is $278.00

Price: $278