Sweeping Pendulum Movement Replacement Pendulum Drive Units Pendulum Clock Accessory Without Battery (black) Clock movement is suitable for wall clocks.This movement is in fine workmanship which make it more solid and durable. The watch design is practical. the clock movements kits is easy for installation; Simple and elegant design, suits well to different styles of clock frame.Features- Color: Black. - Material: Plastic - Size: About 10.9x5.6x2.15cm/4.29x2.2x0.84inch - Replace old or broken clock movement with a new one. - Luminous and silent design makes it more practical. - Provide precise time and low power consumption, 1 x AAA battery (not included) can last up to 6 months. - Made of material for lasting use. - Note: battery is not includedSpecification- Crystal frequency :32.768KHz - Travel time accuracy: 1Sec/day at 1.5v 24 - Operating voltage: 1.25v to 1.7v - Operating temperature: -10 to 50 - Circular output frequency: 0.5Hz - Rated voltage: 1.5V - Power source: 1 x AA size(IEC R6) (not included) - Consumption current: Less than 160uA at 1.5v DC. - Battery life (specification) : 6 Months - Loss of torque: Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.