Small Bus DVR, School Bus DVR , 4 Channel D1 Car DVR

This is a small size mobile dvr,the small size help installation easy and simple. 4 channel d1 resolution bring better view for monitoring.
special function like 3g, gps and wifi give more opportunities for any vehicle surveillance project.
Features
> advanced h.264 high profile technology for video compression at lower bit rate.
> higher video resolution for each channel, ntsc: d1, 704 x 480 pal: d1, 704 x 576.
> stable recording. Use sata 2.5" hard drive and sd card for storage.
> standard avi file format and fat32 file system, compatible with third party player.
> reliable power management, wide voltage: +8vdc~+40vdc.
> multiple way for convenient and fast file searching by datetime with user friendly interface.
> compact size & lightweight for easy installation.