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I am looking to manufacture a small transmitter reciever device with noise maker, should have a 30 meter range. Device will be aproximately 5cm x 2.5cm x1 cmTransmitter will be a one button transmitter with LEDReciever will have a one button with noise maker (beeping)Both devises will have attachement for key ring and be equipped with double sided stick adhesive transmitter, receiver, pager transmitter reciever