Features:

Self-Emptying Rain Gauge
27.5 Square Inch Rain Collector
Secure Locking Tabs
Easy Access Battery Compartment
Weather Resistant

Specifications:

0-393.6 inches (0-9999mm)
Over 300 ft. RF 433MHz (open air)
Update Interval: Every 45 Seconds

Power Requirements:

2 "AA" Alkaline batteries (not included)

Dimensions: 7.16" H x 5.24" W x 5.04" D