Built-in Storage, no need re-code after you replace battery;
Power On/Off function;
Specifications:
Wireless carrier frequency: 2402MHZ--2480MHZ;
Wireless channel to be: 16 wireless working channels, automatic frequency jumping;
Rated working voltage: 3.0V;
Rated working current: 8mA on white paper;15mA on black paper;
Tracing system: Optical Orientation;
Maximum acceleration: 14 inches per second;
Resolution: 1600CPI ;
Mice N/W: 65g;
Receiver N/W: 10g;
Mouse Size: 99(L)*56(W)*33(H)mm;
Receiver Size:20*15*7mm;
Battery Type: AAA*2;
Key number: 3;
System supportwindows 2000/ XP/ Vista;
For more information, pls visit our website at: www(dot)aslanchina(dot)com(dot)cn or send email at: Jane(at)aslanchina(dot)com. We will be appreciated with your enquiry.