Topaz T-LBK460-B-R Backlit LCD 1x5 Serial Signature PadSigLite Backlit LCD 1x5 Serial Code: T LBK460 B R Download PDF Low Cost LCD Electronic Signature Pad with backlight for improved viewing. SigLite LCD is Topaz's low cost pressure sensitive electronic signature capture pad. SigLite features all the high quality biometric and forensic capture techniques of a SignatureGem LCD tablet but with a low cost touchpad and stylus in place of the more rugged digitizing pen and inert tempered glass surface of the