Aputure Coworker Wireless Remote Shutter Release for Select Panasonic Cameras - 1P Connection (Replaces DMW-RSL1) Interchangeable Cable System  1P Connection; Replaces DMW-RSL1 Shutter Release Works with: Panasonic Lumix DMC-G1, G2, GH1, GH2, GF1, G1 and more Wired or Wireless Triggering Enabled; Frequency of 422Mhz works up to 135 feet Auto Focus by half-pressing remote; Bulb/Continuous Shooting enabled 24 Month Fotodiox Warranty