High-performance handheld programmer designed for motor controllers. Compatible with Speed Controllers and Auxiliary Devices. Supports models 1307 Programmer, 1313-4331, 1313-4431, and 1313-4401. User-friendly interface for easy programming and adjustments. Compact and portable design for convenient use in various settings. Product name: Handheld Programmer Part Number: For 1311/1313K-4331 (1313K-4401) Motor Controller High Performance Handheld Programmer Compatible with Speed Controllers and Auxiliary Devices Model 1307 Programmer 1313-4331 1313-4431 1313-440. Color: Black Material: ABS Package Contents: 1x Handheld Programmer 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.