... sensitive.It has been applied in greeting cards,package box and gift box widely.Welcome OEM project. The sound module will ... voice when it meet light.This type module is suitable for gift package,greeting cards etc.Power supply:2 AG10 ... 1.5V DC)Speaker:27,36,40,50mm in available for customer's choice.Sound duration:1-340sec., we could ... 5kgsG.W:18kgsN.W:16.5kgs light sensor sound module for gift box