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1. Intermediate mechanical and electrical knowledge required if you want to DIY.
2. Plan carefully. Take your time. Don't rush into it. Read instructions carefully. As u would have read by now, instructions aren't the best but it will surely get you by. It's not a big deal as to affect the rating of this product.
3. U will hardly find a gate that's perfectly straight. U will need to add shims in order to align gear racks properly (some are included but basic flat washers will work if you need more). Make sure you align properly. This is key to make your opener last long.
4. Wondering how u will get 1mm gap between drive pinion and gear rack? Use an Allen wrench and insert in between to achieve recommended spacing. This is also very important. This will make your gate run smooth and make the gear racks and motor last for years. I can't stress how important this is.
5. I tried using the auto-reverse feature (if something gets in the way) but it's difficult to get it right. When u adjust the knob, it's either too sensitive that vibration of rolling gate alone will make it stop and reverse, or... not sensitive at all that if you stand in the way and lean your weight against the gate while travelling, it won't stop and reverse. I found this rather frustrating to adjust and deemed it not trust worthy. If this is a feature u really want i would recommend getting separate infrared sensors.
6. Remotes are ok and easy to program. I think the auto close feature is somewhat dangerous. U don't want this thing closing automatically (based on time) and a kid gets in the way. I don't even want to imagine! I simply didn't even consider enabling this feature (remember the auto reverse not reliable).
Other than that, it's a strong gate opener, well built and surely worth the money. I waited 6 months before posting a review in order to make it well grounded. Take it from someone who's used it daily for 6 months without a complain. I do recommend.
