Product Review

Compared to the Smooth-3, the Zhiyun-tech Smooth-4's controls are more ergonomically laid out and better labeled with icons.
The Smooth-4 also has a significantly larger focus/zoom wheel, a PhoneGo mode for quickly grabbing the action, multiple time-lapse functions, and object tracking.
With the ability to support smartphones weighing up to 7.4 oz and measuring up to 3.35" high, the Smooth-4 is compatible with almost any mobile phone.

Features:

*Supports smartphones weighing up to 7.4 oz, and up to 3.35" in height
*Large, cine-style focus/zoom wheel with a witness mark
*Use with the free, downloadable ZY Play app to control select iOS/Android phone functions
*"Vertigo" effect, and quick-response PhoneGo modes
*Multiple time-lapse and follow-mode choices
*360° of pan, 240° of tilt, and 240° of roll
*Up to 12-hour runtime, ability to use an external power pack
*Can charge your phone while shooting

Specifications:

Operation Voltage Standard：7.4 V
Output Voltage Standard： 5 V
Operation Temperature: Max： 45 °C, Standard： 25 °C, Min： -10 °C
Battery Runtime Standard： 12 h(Laboratory Data)
Charging Time Standard： 3 h
Product Dimensions(mm): 123*105*328 (W*D*H)
Packing Size(mm): 374*157*70mm (L*W*H)
Product Net Weight(g): 547/Units
Product Net Weight(g): 888/Units

PACKAGE CONTENTS:

Stabilizer *1
type-C USB Cable *1
User Guide *1
Storage Box *1
TRM03 Tripod *1