The JYC JY-110 C3 remote control for Canon cameras:

• EOS 1Ds Mark II
• EOS 1Ds Mark III
• EOS 1Ds
• EOS 1D Mark IV
• EOS 1D Mark II
• EOS 1D Mark III
• EOS 5D Mark II
• EOS 1D
• EOS 5D
• EOS 7D
• EOS 50D
• EOS 40D
• EOS 30D
• EOS 20D
• EOS 10D
• D60
• D30
• D2000
• 1v

The range of the remote control is up to 100 meters.

Specifications of the JYC JY-110 C3:

• Transmitter power supply: 23A Battery (12V)
• Transmitter frequency: 433Mhz
• Receiver power supply: CR2 Battery (3V)
• Receiver frequency: 433Mhz
• Range: 100m
• Number of channels: 16

The "BULB" mode allows you to take long exposures.