Products a. Optical fingerprint head, fully waterproof design T-shaped panel installation with sealing tape, can be installed in the outdoor garden gate b. Red bronze, black, gold, silver are vacuum plating, environmental protection, can not guarantee lifetime fade c. GB 24 * 240,30 * 240, the anti-theft lock, remove the old lock direct replacement, no change hole d. stylish LCD display with Chinese Simplified, Chinese Traditional, English, set up to use a more straightforward, with voltage tips function e. live voice navigation, seems to have specialized customer service in front of you, so you set the operation more easily and quickly. f. integrated power, more environmentally friendly, so that every trace of battery power to play its role g. Ultra Class B rotary vane air lock, emergency aside, safer h.4-12 digit password, add around 12 supports password garbled input i. External Battery original positive and negative points, eliminate the positive and negative misplaced burn bad circuit j. fashion touch screen keyboard password, 4M hardness to prevent leaving traces k. World uppercut lock heart, locked on to mention. l. to set password, anti-theft alarm