Two-level shutter button with halfway or complete pressing, slide to lock.
Halfway pressing for autofocus; complete pressing for taking the picture.
Press and slide it to lock the shutter for bulb photography,continuous shooting or long exposure.
Avoid camera vibration when trigger the shutter without touching the camera body, ideal for macro photography.
No battery required.
Compatible with Canon EOS30 EOS33, etc.
Cable length: 3m.
Weight: 112.35 g
Size: 15.56.5*3 cm
1 × 3m Remote Switch Shutter Release C1 for Canon EOS30 EOSD33