Features
Features low power consumption can replace the traditional key 4 x M2 screw holes easy for operation 
Specification Operating voltage: DC 2.5~5.5V VOH 0.8VCC V VOL/ 0.3VCC/ V Response time: 220mS (low power consumption mode) 60mS (quick speed mode) 
Application: singlechip experiment operates  
General Specs
Brand CATALEX
Material RF4  
English Manual/Spec Yes
Download website http://pan.baidu.com/share/link?shareid=1970670793&uk=1966479381  
Dimensions 2.8 x 2.4 x 0.8 cm
Weight 5 g