Techno Line WT538 Guide D'utilisation page 26

WT538 Manual
Switching °C or °F
 Press once "-" button to switching the temperature unit in °C or °F.
SPECIFICATIONS
Supply voltage: 2.5~3.3V
Adapter: 4.5V150mA
Perpetual calendar range: 2000-1-1~2099-12-31
Time zone: -12~12Hr
Projection distance: 1.0~2.0meter
IN Temperature measuring range: -9.9~50℃/14.2~122℉
Temperature resolution: 0.1℃/℉
Temperature accuracy:
0℃～40℃: ±1℃
–9.9℃～-0℃, 40℃～50℃： ±2℃
EN12