Features: 1.Reliable performance. 2. Stable running. 3. The same characteristics of push and pull. 4. Good environment adaptability. 5. Heavy duty and long lasting motor. 6. Fine quality aluminum alloy material. 7. High performance motor. 8. Built-in fine quality limit switch. 9. The low noise design, noise level below 65 dB. 10. Multiple purpose applications linear actuator. 11. Commonly used in automotive, medical devices and engineering industry. Specifications: Main color: Black Stroke length: 50mm, 100mm, 150mm, 200mm, 250mm, 300mm (optional) Waterproof: IP54 Noise Value: >65dB Travel Speed: 5mm/sec Package size: 50mm: 200 * 80 * 50mm / 7.9 * 3.1 * 2.0in 100mm: 250 * 80 * 50mm / 9.8 * 3.1 * 2.0in 150mm: 300 * 80 * 50mm / 11.8 * 3.1 * 2.0in 200mm: 350 * 80 * 50mm / 13.8 * 3.1 * 2.0in 250mm: 400 * 80 * 50mm / 15.7 * 3.1 * 2.0in 300mm: 450 * 80 * 50mm / 17.7 * 3.1 * 2.0in Package List: 1 * Motor Linear Actuator