16 Channels Wireless Flash Trigger Set with 4 Receivers Type_Bike Tools and Maintenance There is a push-button for

There is a push-button for changing lighting mode

Waterproof(IP55)

Compatible with HERO 3 cameras only

Hero 3+ / Hero 3 Plus and Hero 4 camera and accessories

- Crochet hook roll up organizer x 1

16 Channels Wireless Flash Trigger Set with 4 Receivers Type_Bike Tools and Maintenance There is a push-button forKey Features 16 channels for both transmitter and receiver Batteries: Transmitter: 23A battery (included) Receiver: AAA batteries x 2 (NOT included) Maximum operating range (m): 30 FM Operating Frequency (Mhz): 433 Maximum synchronization speed: 1 250 second Compatible with: most band of flash except Sony and Minolta flash package included: 16 channel transmitter x 1 (12V 23A battery included) Receiver x 4 (AAA batteries not included) PC sync cable x