Xvim Weatherproof 900TVL Day/Night IR Cut Security Surveillance Video Camera System 900 TV lines of resolution for clear crisp images. Support Smartphone Remote/iPhone/Android/Samsung Adopts IR-cut technology to make camera provide true high quality image at day and night Support pre-alarm recording (before 10 sec),not lose any suspicious screen 30 high-intensity infrared LEDs provide illumination in low-light situations, allows up to 100ft night vision Support super cloud service ( specialized website for super cloud service), one step to do remote control easily & conveniently without any complicated setting