Seems a good price for a multimeter from Maplin. £2.99 delivery if you can't get to a store.
Ideal for the home, schools and offices
Check bulbs, fuses and batteries
Includes a transistor and diode tester
Measure AC and DC voltage, resistance and DC current up to 10A
Includes test leads
Low battery indication
Basic accuracy ±0.5%
Size: (inches) 2.7x5x0.9 Weight: (Lbs) 0.49.