- Transmission method: Optical pulse
- Channels: 4
- Wireless options: OFF, Master, and Slave
- Transmission range: Indoors: 12-15m / 39.4-49.2 ft;Outdoors: 8-10m / 26.2-32.8 ft;
- Master unit reception angle: +40 ~ -40 degrees horizontal, +30 ~ -30 degrees vertical.
- Controllable slave groups: 3 (A, B and C)
- Flash ratio control: 1:8 - 1:1 - 8:1 in 1/2-stop incremments
- Slave-ready indicator: AF-asssist beam blinks
- Modeling flash: Fired with camera's depth-of-field preview button
- AF-Assist Beam: Linkable AF Points: 1-45 AF points (28mm or longer focal length);at center: 0.6-10m / 2.0-32.9 ft;Periphery: 0.6-5m / 2.0-16.4 ft.
- Power Source: Internal power Four Size-AA alkaline batteries
- Extenal power: Compact battery pack CP-E4
- Dimensions L x W x H: 191 x 77 x 60 mm
- Weight: 398g (Speedlite only, batteries excluded)
Package Included:
- 1 x Meike MK-600
- 1 x flash bag
- 1 x English and Chinese manual