Features
This wireless remote shutter release cord supports auto-focus， wireless bulb shutter， single and continuous shooting function (Corresponding function setting is required for camera) Compatible with Sony DSLR a900， a850， a700， a550， a500， a350， a450， a400， a300， a200， a100， suitable for all cameras that compatible with Sony RM-S1RM shutter release cord
General Specs
Brand & Model	Godox GD-S1R
Type	Wireless remote shutter release cord
Emitter Power	2×1.5V/AAA batteries
Battery Life	Standby: Over 800 hours
Channel Number	16
Operation Distance	30 meters in open space
Indicator	Dual-color LED indicator
Compatibility	Sony DSLR a900， a850， a700， a550， a500， a350， a450， a400， a300， a200， a100