TTID BHT-400 series BHT-420BW-CE, CCD, USB, RS-232, 31 keys, 240 x 320 pixels, 64 MB, PXA270
TTID BHT-400 series BHT-420BW-CE. Sensor type: CCD. Standard interfaces: USB, RS-232. Keys quantity: 31 keys, Display resolution: 240 x 320 pixels, Internal memory: 64 MB. Battery type: Li-ion. Weight: 360 g