Phone/camera display alarm and charge H8300V2/H8310V2  1,  Suitable for cellphone/camera 2,  Function charge+alarm,charging-alarm 3,  Power supply external, 7V 750mA 4,  Phone charging port on holder  MINI USB 5,  Secondary sensor H8300V2 included                                H8310V2 OPTIONAL 6,  Difference: H8300V2 for phone                       H8310V2 for camera 7,  External spiral cable 8,  Color white/black 10, 2.4G remote control 11, Detachable device holder