The LID 571 ISO will read:

All ISO 11784, 11785 Transponders
Trovan ID-100 'Unique' Transponders                                                           

Dimensions:           5 inches x 2.75 inches x 1 inch.
                                (metric: 125mm x 68mm x 25mm)
Weight:                   100gms.
Power supply:         9V Battery
Read distance:       2 - 4 inches
                                (metric: 5 - 10 cms) depending on transponder
One button menu
Belt clip
Automatic 'off' switch when not in use

Computer connection: You can also download software from the website to connect the LID 571 ISO directly to your Laptop enabling access to records 'in the field' or, plug in your LID 571 ISO to your PC when back in the office. 

Also available:

protect-a-case
A strong, durable protective cover in case of those little accidents!

Just £9.99 + vat