Searches hot spot of 2.4G, 802.11b, 802.11b/G wireless Internet access
Indicates signal strength
Legerity outline design, convenient to take for a along time
Convenient to use and no need for any computer software
Battery: 3V button battery x 2 pieces
Detecting distance: 100m in the open air
Dimensions: 6 x 3.8 x 0.8cm
Up to 50m detecting distance