Specification :

4-Direction Display automatically Two Color OLED Display, Six display modes .
Details:
1.Two Color OLED Display, Six display modes.
2.4-Direction Display automatically.
3.Visual alarm function. Real-time spot-checks.
4.Low Power consumption. 50 hours continuous to work.
5.Low Perfusion d0.4% .
6.Low voltage indicator.
7.Automatic power off when no signal.
8. Reliable accuracy and durability.
9. Small and light weight, convenient to carry.
10.Vacuum-galvanization technique and UV printing technology employed to create this wonderful product with specular appearance, it is fashion and durable.