Technical specifications

Temperature	-20℃ to 60℃( -4℉ to 140℉)
Humidity	10% to 90%, No condensation
Ambient light	0–83,000 lux
Accuracy	Temperature ±0.2 ℃, humidity ±2%, ambient light ±2%
Memory	300,000 sensor records

Network connection

WiFi	2.4GHz or 2.4/5GHz, channels 1-13 (5GHz WiFi NOT supported)

Physical specifications

Materials	Flame-resistant ABS + PC
Dimensions	12.6 x 8.6 x 2.25 cm
Weight	143 g (± 3 g)
Colour	White
Screen	10.4 x 5 cm (4.4'')
Ports	2 x Micro USB; USB 2 is embedded with RS485 interface
Power Supply	4 x AA batteries / Micro USB(5V/2A)

External probes supported

Supports 2 x DS18B20 Temperature Probe and 1 x RS485 probe (TH30S-B/Soil probe/PT-100/Wind speed sensor, a Micro USB Splitter may be needed)

One single pack includes

1 x WS1 Pro Wi-Fi version device; 1 x manual book; 1 x USB cable; 1 x stand