Sound module with clear sound effect 1)High quality & reasonable price 2)OEM welcomed. 3)Timely delivery 4)CE & UL Sound module with clear sound effect: Item NameIC BodyFunctionSpeakerBatterySwitchPackingRemarkSound module with clear sound effect 10s, 20s, 35s, 65s, 87s,115s, etcPlaying in one time or loop.Φ27mm, Φ35mm, Φ40mmLR30, LR1141LR1144Slide switch, PUSH button, Light sensor, motion ...