1.Input Voltage:AC 100V-250V. The input Voltage is the same as the testing Voltage.
2.It could test not only the lighting  products but also the electric appliance among 100V-250V
3.Maximum testing Wattage:30W
4.Testing parameters:Voltage,Current,Wattage,Power Factor,Annual power consumption (calculated by 10 hrs/day)
5.Convenient to use with multi-use sockets.It could test the appliance witrh power plug.It is no need to connect the wire in a addition.
6.With different base:E14,B15,B22,GU10,G9,It could test different lamps with different base
7.With terminal holder,it could test the appliance with wire
8.With fuse in power sockets ,it could protect load short circuit 
9.Compact size,very light,and convernient to take.

10.It could help you to check the parameters of all kinds lamps very easily with 5 minutes

With different base: E14 B15 B22 GU10 G9 E40 E27 you could check any lamps any time.

Advantage:
1.It's more convenient to carry ,and it is also more accurate
2.The price is also competitive  than the market ones