ALTA Industrial Wireless Temperature Sensor with Solar Power, 900MHZ

Incredibly versatile, this remote monitoring solution is ideal for any area where extreme temps could degrade performance, assets, or safety. Use to monitor food storage, facilities and more. Monnit MNS2-9-IN-TS-ST-SOL Features1,200+ foot range12+ year battery life80+ wireless sensorsBank-level AES securityUp in 15 easy setupGlobal ready (900, 920, 868 & 433 MHz) Thermistor SpecificationsAccuracy @ 25°C: +/- 1% (1° C or 1.8° F)User Calibrated Accuracy: +/- 0.25° C (± 0.45° F)Time Constant @ 25°C: 15 sec maxProbe Operating Temperature Range: -40°C to +125°C ( -40°F to +257°F )Lead Wire Length: Waterproof Lead Options:3 ft. (0.91 m)10 ft. (3.04 m)25 ft. (7.62 m)50 ft. (15.24 m)100 ft. (30.48 m)Variation SpecificationsWeight: 4.4 oz. (125 g) - No lead | 4.5 oz. (128 g) - with 3 ft. (0.91 m) leadALTA Industrial SpecificationsSupply Voltage: 2.0 - 3.8 VDCBattery Type: Replaceable 3.6V, 1800mAH (single AA sized)Battery Life: At 1 hour heartbeat setting, battery will last up to 10 years.**Max Operating Temperature: -40° to 85°C (-40° to 185°F)Optimal Battery Operating Temperature: +10°C to +50°C (+50°F to +122°F)Solar Power Option: 3.0 VDC Solar Panel 600 mAH Rechargeable Battery (>2000 Charge Cycles - 80% of Initial Capacity)Charging Temperature Range: 0° to 45°C (32° to 113°F) Max Temperature Range: -20° to 60°C (-4° to 140°F)Enclosure Material: IP65, NEMA 4X, CE rated, sealed, weatherproof enclosureUL Rating: UL Listed to UL508-4x specifications (File E194432)Dimension: 3.7 in x 2.32 in x 1.38 inALTA 900 MHz SpecificationsOperating Frequency: 900 MHz Operating FrequencyCertifications: Complies with Part 15 of the FCC Rules. (FCC ID: ZTL-G2SC1)Complies with Industry Canada standards. (IC: 9794A-G2SC1)Device Range: Device Range Up to 1,200 ft. non-line-of-sight, wireless device range*Security: Encrypt-RF® (Diffie-Hellman Key Exchange + AES-128 CBC)