Black 125 Khz proximity design reader The SOLAR proximity design readers from CDVI are distinguished by their innovative design and their backlight. After all, the latter indicates the status of the door at any time of the day by means of colors (blue = standby; green = access allowed; red = access denied; orange = badge presented). All readers are available as standard in black and white. Excluding data cable 0.8mm 8 core (4 pairs) Wiegand 26, 30 or 44 bits. Reading distance: 4 to 10 cm depending on the type of card. Design. Continuously illuminated. Three-colour LED and buzzer can be controlled separately.