Finally helped my friend install the Hansshow (HS) v4 so here are some comparison notes on HS vs TeslaOffer (TO) Mark 2.5. At the time of writing, these are the newest versions of the trunk kits from each company. I can not to be an expert installer by any means as the TO kit was the first I've installed and the HS is now the second. These comments are based strictly on my limited experience. The other thing to be mindful of is that I do not know the ins and outs of fine-tuning these kits to ensure the absolute smoothest operation so part of the results may be improved through better fine-tuning.
OVERALL KIT & CONTENTS
One thing I noticed immediately about the HS kit is the nice glossy color instructions. TO doesn't have any. That being said, for both kits, I relied on the manufacturer's YouTube videos and really didn't need written instructions. The other thing that is great about the HS kit is that every cable has English labeling which makes it a lot easier and reduces head-scratching time. Lastly, HS includes a fish-tape which is nice. Win to HS for including fish-tape, instruction sheet, and English labeling.
TRUNK LID WIRING
Both kits require running wiring up to the trunk lid through the factory silicone tube but the execution is different. In the TO kit, I ran two sets of wires through the tube with the plastic connectors on. The connectors were small enough that they did not require removal if the individual wires out of the connectors. Once the two wire sets are in place, TO has a small module that connects to these wires plus connecting to the top latch mechanism. The HS unit is quite different; it requires running 5 bare wires through the tube plus another set for the button. The connector for the button is too big to run through the tube so the wires need to be pulled out of the connector and reconnected after the wires are run to the lid. In my case, we soldered and heat shrunk all wires to ensure the most reliable connection. The HS did not require the small module which is one less component to deal with but the TO is easier to install this part which didn't require connecting any bare wires together. For installation ease and no need for bare wire connection of wire removal from connectors, the Win goes to T.
CANBUS
Connecting the CANBUS signal is the same on both kits. You get an inline adapter that plugs into the CANBUS connection point under the center console. The adapter then has a female plug to attach a wire that goes back to the main control unit. The TO CANBUS adapter has a single female plug so it's quite obvious where to connect the control unit wire. The HS CANBUS adapter has two female plugs coming out of it and there's no indicator which one you're suppose to use. As there is no confusion where to connect the CANBUS wire (single choice), the Win goes to TO.
POWER
Both are the same here. Uses a horseshoe shape connector that goes to VCRight. Both use a short connector to the power source and a longer cable is connected to the short connector all the way to the control box in the back. The connection on the HS is a bullet connector whereas the TO is a flat blade connector. Both do the same thing and it is a TIE.
OPERATION
The speed was set to '5 beeps' for both kits. Based on these settings, the TO may have been half second behind. Linear movement between the two units was quite different. Upon opening, the HS unit made a significant pop sound with a quick jerk and then moved up in a smooth consistent speed. The first 2-3 inches of travel is very rapid before slowing to a constant steady speed. The TO unit, does not have this loud pop and moves at a consistent speed right when it releases. Overall, the opening action is much smoother on the TO unit. Closing both units starts in a smooth motion for both units. However for the last 2-3 inches before the trunk closes, the HS closes a bit harder (almost free-falling) with higher thud sound on contact. The struts on these two kits is visually different but when they are moving, they have the same sound level and move at about the same rate. Due to the initial opening or closing, the TO kit is the smoother and quieter of the two. When I installed the TO kit, I did not due any fine-tuning, it worked immediately. The HS kit required some adjustment with the closing strength which is defaulted to level 1. This was not sufficient to close the trunk so it was adjusted to level 2. HS recommends removing the spring mechanism and supplies blank filler plates. We kept these OEM spring bumpers on as the trunk was opening and closing without problem, as well as aligned properly. Removing may make this smoother but at the same time these may be there to provide support to the trunk lid so the decision was to leave them in.
As I mentioned previously, HS has two connectors for CANBUS connection. I tried both as they were not marked, and when the car is in D, the HS always allows the trunk to be opened by depressing the trunk button. I assume that HS will correct this in time through firmware but for now it makes absolutely no difference which of the two connections are used for the CANBUS signal. The TO CANBUS connection works as designed and will not allow the trunk to open when the car is in D. This is really not a huge deal but if you were in Hold mode at an intersection or parking lot, the HS kit allows the trunk to be opened whereas the TO does not.
Many have read about the animation on the screen with HS and I thought they might have gotten rid of it as this was a V4 kit, but it is still there and if you touch the screen when it is in grayed out 'opened' status, the system will not react - it must toggle to the 'open' status to function. TO does not have this animation and works immediately when you touch the button. For quietness, smoothness, functional CANBUS, and no 'animation' delay Win goes to TO.
CONCLUSION
The overall win goes to TeslaOffer. My hope is that TO uses English labelling in future and including a fish-tape would make their kit perfect. The TO kit is easier to install, quieter, smoother, and the CANBUS safety system works.
The Hansshow is a decent kit as well and to be fair we may not have it tuned properly but nonetheless I did not tune or adjust anything on the TO kit and it functions smoother and quieter. I hope that HS updates the firmware and provides more detail about which of the two CANBUS plugs to use so that is functioning as they intend it to.