This portable GPS jammer will ensure you can do what you want with out big Brother looking over your shoulder. Lightweight and easy to conceal this Jammer will block all GPS traffic out to a range of 10m from the device. Useful Car and mains power adapters are included to ensure protection all day. Great for use in the company car for when you choose to have a long lunch. Specifications: Main Function: GPS Frequency Jammer Working Band: 1500-1600MHz Typical Coverage: 3-15 meters Transmit Power: 10dBm Typical Battery Life: 3 hours Working Temperature: -30 deg C to +60 deg C Dimension: 96x45x17mm (no antenna) 169x45x17mm (with antenna Attached) (L x W x D) Package Contents: 1 x Covert Portable GPS Jammer TG110C 1 x Power Adapter 1 x Car Power Adapter.