Most efficient video recorder: Start recording as soon as detect somebody motion - Built-in PIR detector: Once it is activated it will start to record for 30 seconds then turns to standby mode to wait next trigged - Records at VGA (640*480) resolution - Built-in 2 GB memory - Support micro SD card: up to 32GB auto overwrites - Built-in microphone up to 10 meters sound effective record range - Auto delete the first videos once the storage is full - Replay video files on computer: Via USB cable plug-and-play - Easy DIY installation - Battery stand by duration: 100 minutes for recording continuously 200 hours standby - Package included: - 1 * Video recorder - 1 * Cradle - 1 * 100V~240V AC charger (EU plug) - 1 * USB cable - 1 * User manual (English)