Phase: 2 - This micro stepper motor operates on a two-phase system, ensuring precise and controlled movement for applications requiring exact positioning. Ideal for integration in compact spaces due to its miniature size. Type: HYBRID - Combining the best features of both permanent magnet and variable reluctance stepper motors, this hybrid motor offers higher performance in terms of step resolution, torque and speed. Certification: - this stepper motor meets all the necessary safety and performance standards required for sale and use. : this stepper motor is built with high-quality materials and engineering expertise, ensuring reliability and durability in demanding applications. Listing Title: Mini Tiny 5mm/4.3mm Planetary Gear Stepper Motor Micro 2-Phase 4-Wire Stepping Motor Linear Metal Screw Slider Camera - This motor is perfect for precise movements in small-scale projects, including cameras and other sensitive equipment. Description/Features: Introducing our latest micro two-phase four-wire stepper motors, equipped with a planetary for superior control. These motors are designed specifically for mobile phone lens adjustments, featuring a metal slide driven by the motor's pole to achieve precise up and down movements. Each motor is complemented by a super miniature ball bearing at the top of the screw, ensuring smooth operation. Specifications: Motor Type: 2-phase 4-wire stepper motor Additional Requirements: Requires stepper driver and pulse signal for operation Model B: 1. Motor Diameter: 4.3mm 2. Motor Height: 8.3mm 3. Motor Phase Resistance: 10 ohms 4. Short Circuit Current @5V: 390mA 5. Slider Stroke: 8mm 6. Pulses for Full Stroke: 1750 (0.0046 mm per pulse) 7. Weight: 3g Color: Black Material: plastic Package Contents: 1 Mini Stepper Motor 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.