Specifications:
Dimensions (H x W x D):
Base station: 108 x 130 x 29mm
Data generator: 188.5 x 61 x 61mm
Pool sensor:
Floats and is waterproof to 30m depth (100-feet)
UV and chemical-resistant
Saltwater tested and approved
Water temperature: -40 to 60°C/-40 to 140°F
Remote air sensor:
Outdoor air temperature: -40 to 60°C/-40 to 140°F

Wireless display:
Indoor air temperature: 0 to 50°C/32 to 122°F
Minimum/maximum record
Perpetual calendar
Alarm with snooze
Monitors up to three remote sensors (additional sensors are available in our eBay store)
433MHz wireless up to 50m (150-feet)

Power consumption:
Pool sensor: 2 AA 1.5V (batteries not included)
Air sensor: 2 AA 1.5V (batteries not included)
Display: 2 AAA 1.5V (batteries not included)