*Suitable for 4.6-7.2 inches screen phones *Version: Bluetooth 5.0 *Transfer distance:≤10m *Battery type: 3V CR battery *Battery capacity; 120mAh *Battery life: take photos up to 20,000 *Remove the phone holder and attach the pan-tilt head to install other devices:GoPro / Digital Camera / Fill Light *Support devices with a 1/4" screw hole and weighing less than 1.5kg *30.5cm before expansion and 157cm after expansion