Following the purchase of goods to reach the number that they can
enjoy a range of preferential prices：
1.Detectable 2.4 GHz distance up 1 to 2 feet
2.Detectable Frequency: 100MHz to 3 GHz
3.Easy Push Button Operation UV Light
4.Red Flashing Indicator LED
5.Functioning Ball Point Pen
6.Size: 5 X 1/2"