1) light sensor activated sound modules 2) Suitable for packing box or book

light sensor activated sound module Suitable for packaging box :

Message: voice, music, sound are availableFunction: message pre-recorded (optional rerecordable function)Voice recording or music pre-recorded duration: 3 to 270s for recording functionComponent: PCB, voice chip, a speaker, mic,  indicator and batteriesBattery: 3 x AG10OEM and ODM orders are welcomeLight sensor activationactivated sound modulesSuitable for packing box or bookpre-recorded module  Packing: One piece/OPP bag and 100 pieces/box600 pieces/cartonCarton dimensions: 42 x 39 x 29cmNet weight: 10kgGross weight: 11kg