Ultra-bright lcd screen.
or both
Easy to operate.
1 pcs - 4cmx25, 5x14, 5 weight 0, 360kg
Modern design. 100% water proof
Inbuilt antenna
Signal distance: 200m (656 ft) in open space
Dimensions: 60x17mm
Pack 20 pcs - 7cmx23, 5cmx23cm weight - 0, 885kg