GOOD NEWS! TOPENS TC188 universal smart keypad is available now! Simply enter a short password to open the gate without carrying a key. It brings high convenience for controlled access, making an easy way for guests to visit your home. Supporting up to 64 individual sets of 4-digit access codes, it works with all the TOPENS gate openers. Would you like to learn further information? Just go to this link. Give yourself a chance to enjoy it.