Brand: Other Manufacturer Number: Other Power Source: Battery Model Number: Other Type: Multi Usage Messaging Technique: Electric Pulse Are batteries needed to power the product or is this product a battery: Yes Is this a Dangerous Good or a Hazardous Material, Substance or Waste that is regulated for transportation, storage, and/or disposal?: No External Product ID Type: Not Available This product is not only compact in terms of design, it scores high on the aspect of utility too. This is what makes it worth the buy.