Handheld camera. Detection distance 1.5 to 2.5 meters. Accuracy ± 0.5º C. Wifi and audio notice. Thermal camera resolution: 160 x 120 pixels. Thermal camera lens: 6.2mm, FOV (field of view): 25° x 18.7° (H x V). Selectable visible camera resolution: 2MP / 5MP / 8MP pixels. Video mode: Bi-spectrum image fusion. 640 x 480 resolution LCD display. Accuracy: ± 0.5ºC. Range: 30-45º C. Working temperature: 15 ~ 35ºC.