26Finish: Main body:Aluminum die cast, Light grayOuter fixing screws:Stainless steel (Corrosion-resistant treatment)Dome cover:Polycarbonate resin, ClearOthers: Tamper-resistant enclosure *5, EN50155 (railroad standard),ECE-R10 (E approval) X4571LM S4550LM*1 Refer to our website (https://security.panasonic.com/support/info/) for further information aboutPower source and Power consumption information.*2 In the environment where IR-LED is always turned on, make sure that the temperature is between–40° C and +50 °C {–40 °F to +122 °F}.*3 The audio output can be switched to the monitor output. Refer to the "Operating Instructions" onthe provided CD-ROM for descriptions of how to switch the output.*4 Only when installation work is properly performed according to the Installation Guide andappropriate waterproof treatment is performed.*5 Component that has a structure on which the screws that are accessible after installation can-not be screwed or unscrewed using an ordinary screwdriver.• CameraImage sensor: 1/2 type MOS image sensor X4571L X4571LM1/3 type MOS image sensor S4550L S4550LMEffective pixels: Approx. 12.4 mega pixels X4571L X4571LMApprox. 6.8 mega pixels S4550L S4550LMScanning area: X4571L X4571LM5.54 mm (H) × 5.54 mm (V) {7/32 inches (H) × 7/32 inches (V)}S4550L S4550LM3.55 mm (H) × 3.55 mm (V) {1/8 inches (H) × 1/8 inches (V)}Scanning system: ProgressiveMinimum illumination: X4571L X4571LMColor: 0.3 lx {0.02787 footcandle}(F1.9, Maximum shutter: Off (1/30 s), AGC: 11)0.02 lx {0.00186 footcandle}(F1.9, Maximum shutter: max. 16/30 s, AGC: 11)*BW :0 lx {0 footcandle}(F1.9, Maximum shutter: Off (1/30 s), AGC: 11, when theIR LED is lit))0.04 lx {0.0372 footcandle}(F1.9, Maximum shutter: Off (1/30 s), AGC: 11)0.003 lx {0.00028 footcandle}(F1.9, Maximum shutter: max. 16/30 s, AGC: 11)** Converted value