Model Number: mo148,cs404,cw644,cw657 Brand Name: STONKAM Key Specifications/Special Features: 9 inches DVR Monitor feature:9-inch digital quad monitor with video recording functionSupport 4 x 128GB(micro SD card)Multiple recording modes like Power-on Recording, Manual Recording, Schedule Recording, Cyclic Recording, G-sensor Recording, Trigger Recording, Motion Detection Recording, Over Speed Recording, and Emergency RecordingG-Sensor trigger recording when vehicle runs into collision. Sensitivity can be adjusted

Trigger record(Back camera), motion detection record mode available

Over speed record / switch display. Above/under certain speed can trigger displaying the corresponding

camera and record

1500mAh battery for backup power

9-inch resistive touch screen available

Snapshot available and RTC with time stamped on the photo

Auto backlight for the LCD

Eight languages available

Single, dual, triplex, quad display mode available

4 trigger lines(EXTRA HDMI TRIGGER available); trigger priority is available

Menu lock function available

Reverse/turning left/turning right warning yardstick available

Automatically boot when triggered under the condition of standby, and automatically switch to triggerchannel

Four cameras inputs, one external GPS input for tracking

One video & audio output; synchronal video output;one AUX input, and one HDMI input(up to 720P)

Short-circuit protection function