The laser range finder is high quality with reasonable price, the specification as follow:

Model	Field of View	Min Range(m)	Max Range	Exit Pupil	Eye Relief	Distance Mode(YDS/M)	Rain Mode	Long Range Mode	Weight	Dim (mm)
LRF400	122m at 1000m	15	400	3.8mm	12mm	15-400	YES	YES	235g	40X98X68