La Crosse Technology Wireless Rain Center with Self-Empty Rain Bucket

Additional features of this wireless rain gauge include: User-defined rainfall alarm Low-battery icon for both units Wall-hanging or free-standing Battery lasts up to 3 years LCD shows capacity for each battery when charging is complete Charges AA & AAA rechargeable batteries simultaneously Will not charge defective batteries Select different charging current for each channel Automatically switches to trickle charge when charging is complete to ensure maximum battery capacity Automatically defaults to 200mA charge (the optimal setting for prolonging battery life) Overheat detection to protect over-charging 7 Easy-to-Use Function Keys Charge Mode (charging current) Discharge Mode (discharging current) Refresh Mode (time elapsed) Test Mode (accumulated capacity) Measures 3.85W x 0.95D x 2.45H inches Self-emptying rain bucket empties via internal tilting cups Rainfall indicators for light or heavy rain Displays total rain recorded Displays rainfall in last 24 hours Works with all NiCd and NiMH AA and AAA rechargeable batteries