Wireless Color Weather Station, 12/24 hr atomic time (manual set), Perpetual Calendar (day,month,date), Time alarm with Snooze, Transmission range: Up to 300 feet, Sensor: 2 AA Alkaline batteries, Indoor humidity range: 1% to 99% RH, Display: 6.16x0.93x9.65in
Kestrel DROP D2 Wireless Temperature & Humidity Data Logger, Dimensions: 2.4 x 1.8 x 0.9 in, Battery Type: User-replaceable, Logging Rate: 2 seconds to 12 hours, Storage Temperatures: -30 to 60 deg C, Compliance: CE certified, FCC, IC tested, RoHS, WEEE compliant