70 inch intelligent large screen TV wholesale 4K household wireless projection LCD explosion-proof large TV

Scanning mode progressive scanning maximum resolution 3840 * 2160 operating system Android additional function USB media playback HD network Nominal contrast 3000:1 optimal viewing distance 2.5m (included) - 2.9m (included) package size 1700 * 1015 * 152mm number of speakers 2 receiving system PALNTSC SECAM package list TV * 1 remote controller * 2 power Gross weight 31kg working voltage (V) 100-240V TV size with base 1595 * 894 * 90mm net weight (excluding base) 31kg net weight (including base) 31kg display size without base 70 inches stacking layer limit 2-layer backlight type LED