1、Time Display: Accurate timekeeping, the annual error is only 8 seconds (industry standard error is 9 minutes), which is 10 times higher than the industry standard 2、Temperature Display: Built in high accuracy temperature sensor, the error is only 0.5 ℃ (industry standard is 3 ℃) 6 times higher than the industry standard 3、Plexi Glass Panel: Plexi glass panel, the stereo clock uses special plexi glass, the service life is more than 10 years 4、ARM Processor: Higher frequency ARM processor, and larger running memory, 4 memory modules static scanning display control scheme, and increase the LED dedicated constant current drive chip, 142 LED lights, the stroboscopic phenomenons is avoided, more stable brightness. 5、50m Visible Distance: Super large font, the visible distance is up to 50m, clearly visible, can be used for public spaces such as subways, high speed rail stations, hospitals, airports Item Type: Double Sided LED Clock Material: ABS Output Current: 3A Power: 14W Remote Control Battery: 2xAAA Batteries (Not Included) Size: Approx. 47x17x3cm/18.5x6.7x1.2in Weight: Approx. 1910g / 67.4oz 1 x Clock 2 x Boom 1 x User Manual 1 x Remote Control 1 x Power Adapter 1 x Mounting Kit