... -speed, maximum speed up to 4Mbps 4.Built in 2G flash memory Function DescriptionLCD display2* LCD display ... 0 high-speed, maximum speed up to 4MbpsMemoryBuilt in 2G flash memoryTechnical DescriptionMemory CardTF card,support up to ... 9(at 2m distance)Battery3.7V (900mAh), built-in battery,Battery Duration:About4-5 hoursPower Consumption<0. ... the down payment.5, Warranty: 1 yearhttp://www.hktopsky.com