1. It is a self-timer stand and a stabilizer to prevent motion ; 2. Stabilizer, intelligent anti-shake, , from jitter; 3. No need for APP, it can be used to started; 4. You can do it in any direction, whatever you like; 5. High-end stable aluminum rod. Product size :68.5 x 39.5 x 190~860 mm Bluetooth version :4.0 Bluetooth distance: 10M Battery: CR1632(CAN CHANGE) Battery :450mha Compatible:Android 4.3 and above; iOS 5.1 and above support the size of the phone:4.0-6.2 inches Colour:black Material:aluminum Package Contents: 1 x Smartphone Handheld Gimbal Set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.