What's in the box:

Robotic Arm 4DOF Mechanical Metal Clamp Claw Kit DIY Education Kid Gift Toy with Servo Controller Free PC Software APP for Programming Starter (Black)

Features:
High-quality components throughout, uneasy to deform and make its body more delicate.
4DOF structural design can make the robotic arm flexibly and high-precision servo makes control more accurate.
With powerful control system, you can position the arm manually and memorize those positions for recall.
Operating and cycling speed are adjustable, train manipulative ability while adding fun.
Innovative control methods, mobile phone, graphical PC software , mouse and computer control, convenient for you to remotely control the robotic arm.
The whole kit is unassembled and not including power adapter, you can DIY the robotic arm and train your self-studying and practical ability.

Specifications:
Combination: B/C/D/E (optional)
Material: Composite Material
Features: Supporting PC or Android / iOS Control
Power Supply: 5V2A External Voltage (excluding power adapter)
Commodity Attribute: Unassembled
Usage: Scientific and Technology Competition, DIY Design, intellectual Development.
Item Size: 35 * 10 * 8.8cm / 13.8 * 4 * 3.5in
Item Weight: 500g / 17.6oz
Package Size: 25 * 16 * 5cm / 9.8 * 6.3 * 2in
Package Weight: 550g / 19.4oz

Note:
The whole kit is unassembled.
Power adapter is not included.

Package List:
1 * R3(including data cable)
1 * Set of Robotic Arm Part
4 * MG90S Metal Servo
1 * Set of Screw and Nut
1 * Servo Control