Selection
1 2.4JM : Video jammer with fixed jamming distance up to 20 meters diameter (315 square    meter or 3500 square feet). 2 2.4JM utilizes unique and intelligent technique that interferes the 2.4GHz signal of    wireless spy camera, ensure safety environment free from wireless spy camera and body    bug.
1 2.4JM-R comes with range adjustment to fit different environment. You are able to shorten the jamming coverage    when you use this device in a smaller room without interfere the neighbour rooms. 2 Built-in rechargeable battery can last for 1.5 hours after full charged, a nice carry-on device for meeting in others'    office. 3 Easily operated and user-friendly, no hassle installation needed, need no professional knowledge or skill, a    portable device to suit everyone,everywhere and anytime. Application 1 Home and any private place where want to prevent peeping camera or body bug. 2 Prevent to be record by wireless spy camera during meeting with others Intelligent Cellular Jammer Series Input power Built-in rechargeable battery, 7.2V DC 9V DC, 1A switching power adaptor Output signal strength about 100 mW Swivel type 360 degree rotary adjustment  and 90degree adjustment Available system PAL, NTSC, SECAM Effective range 2.4GHz Spy  camera Covers an individual room up to 3500 square  feet (about 315 square meter), depending on  the type and strength of signal source.