Keep lens filters out of reach of children.Never use this thermometer without a new, clean lens filter attached. This thermometer must only be used with genuine Braun ThermoScan Lens Filters (LF 40).Do not expose the thermometer to temperature extremes (below –20 ☌ / 4 ☏ or over 50 ☌ / 122 ☏) nor excessive humidity (> 95 % RH).The operating ambient temperature range for this thermometer is 10 – 40 ☌ (50 – 104 ☏).
