Compatible with all current Nikon SLR cameras. Wireless TTL flash mode. Speedlite controllable with camera. Metal mounting foot. 20m maximum working range. Ultra compact. Bounce flash function. High speed synchronization. Includes SS-400 soft case. Weight 127g. Size (H)5.65, (W)6.6, (D)8cm. Requires 2 x AA batteries (not included).