La description

Specifications: 
1)、Frequency Range:    ***2MHz*****0MHz
2). Frequency channel:  *8 channels, automatic frequency hopping
3)、Rated Voltage:        3V
4). Rated Current:         *3mA
5). Track system:           Optical
6). Max Speed:              *0 inches/sec.
7). Max Acceleration:      8G
8)、Instant DPI Switch: ****************0, starting from ***0 DPI
9)、Dimension:              **5mm(L) / *2.5mm(W) / *6mm(H)
*0)、System:                 Suit for MAC & Windows