Features: 100% brand new and high quality. This is a DC brush motor for achieving the phone's vibration feature when you receive a text message or call. Suitable for mobile phones, pager, electronic vibration equipment. Small size, meet the requirements of thin phone body. Stable performance, long service life. Specification: Rated voltage: 3.0V DC Operating voltage range: 2.3-4.0V DC Direction of rotation: CM (clockwise) or CCW (counterclockwise) Rated speed: 11000 2500rpm Rated current: 80mA Max Starting current: 120mA Max Starting voltage: 2.3V DC Max Insulation resistance: 100M Min Bottom deflection intensity: 9.8N Mechanical noise: <50dB Background noise : <28dB (at rated voltage) Operating environment: -20~60, Ordinary humidity Storage environment: -30~70, Ordinary humidity Diameter: 10mm Height: 2mm Optional size: 20/27/30/34mm Package list: 5 * Flat Vibrating Motor Package List 1100% brand new and high quality. 2This is a DC brush motor for achieving the phone's vibration feature when you receive a text message or call. 3Suitable for mobile phones, pager, electronic vibration equipment. 4Small size, meet the requirements of thin phone body. 5Stable performance, long service life.