Liu Gan searched the two zombie security guards, only found two batons, and searched at their workbench. He couldn't find anything useful, let alone any powerful weapons such as pistols as he imagined.

It seems that the world is like the country where Liu Gan lives in the real world, gun bans are very strict. I guess if you want to get weapons such as guns, you must go to the police station or the army to try it.

After a little search, Liu Gan and Jiang Jin came to the iron gate and studied it according to the flashlight. They felt that the iron gate should have been entered by swiping cards. Now, because the power is out, the card swiping system cannot be started, and the iron gate is automatically closed.

"This place doesn't look like the place where the backup motor is, but rather like the place where secret things are stored. Why don't we go up to the parking lot and take a look?" Jiang Jinyuan shone around with a flashlight and told Liu Gan. He now regrets coming here.

"Oh, can you find some treasures?" Liu Gan was very interested in his tone. The second floor underground, security check, and thick iron gates really make people easily think of places like the hidden treasures in the game.

"Maybe there will be good things, but this iron door is automatically locked and cannot be opened without electricity." Jiang Jinyuan looked a little troubled.

"There should be another way to open the iron door. I think the motor and the backup motor are likely to be here. If the motor and the backup motor are behind the iron door and the electric iron door is locked naturally, won’t the power maintenance personnel not be able to enter," Liu Gan speculated.

"This iron door cannot be opened. Let's go back to the parking lot above to look for it. It is also possible that the motor room is in the parking lot. After turning on the backup motor, we will come here to try it." Jiang Jinyuan picked it up to Liu Gan again.

Liu Gan took two steps back unwillingly, then rushed forward and kicked the iron door with a sudden sound. The iron door made a loud bang, but it was not kicked open.

Although Liu Gan made such a loud noise, it was very hidden here. The long corridor with doors on both sides covered the sound, so no zombies upstairs rushed down after hearing the sound.

"The iron gate is very heavy, and brute force will definitely not be able to kick it open." Jiang Jinyuan shook his head.

"Is there any other way to open this iron door?" Liu Gan looked around.

"Maybe I can use my handheld computer's power system to power the access control card swiping system. After powering up, I also need an identity card and fingerprint to verify the iris." Jiang Jinyuan studied the electronic door lock beside the iron door and told Liu Gan.

"Is this an identity card OK?" Liu Gan took out a card from the mezzanine on his backpack behind him. One of the three cards found in the man's clothes with a yellow plaid shirt was handed to Jiang Jinyuan.

"Well, this is indeed the identity card here, but in addition to the identity card, it is likely that fingerprint and iris verification are required. So, I try to use the power supply of my handheld computer to start the electronic door lock to see if I can use this card to swipe it in." Jiang Jinyuan knew that if he didn't open the iron door, Liu Gan probably refused to give up, so he had to step forward and study the electronic door lock beside the iron door.

"Do you want to open its shell?" Liu Gan asked Jiang Jinyuan.

"Well, there is no suitable tool." Jiang Jinyuan nodded.

Liu Gan took out iron pliers, screwdrivers and other tools from his backpack. Jiang Jinyuan still shook his head after gestured at the electronic door lock.

"I have to open the shell first. These tools are not suitable." Jiang Jinyuan said to Liu Gan.

Liu Gan frowned. After a while, he reached out and slapped the shell of the electronic door lock with a slap. The hard plastic shell was shattered by his palm.

"Okay, I just need to find the power supply circuit." Jiang Jinyuan quickly stopped Liu Gan to prevent him from brute force and smashing the door lock completely. Then Jiang Jinyuan took a screwdriver to open the shell fragments and picked out a few red, black and yellow cables inside.

After pulling out the cables, Jiang Jinyuan opened the back cover of the handheld computer and carefully connected them to the main power supply line of the handheld computer.

"Does the handheld computer use a rechargeable battery?" Liu Gan asked Jiang Jinyuan.

"I use a solar charger. I can quickly charge if there is a sun. After the high-energy battery is fully charged, the handheld computer can work at least for three days at full capacity." Jiang Jinyuan pressed on the side of the handheld computer and pulled out an extremely thin solar panel for Liu Gan to see.

"So that's it." Liu Gan nodded.

After Jiang Jinyuan made some trouble, he actually activated the electronic door lock system beside the iron door. However, after he took the ID card that Liu Gan gave him, the red light of the electronic door lock flashed and gave a prompt of insufficient permissions.

"Try changing this one." Liu Gan took out another card and handed it to Jiang Jinyuan. The photo on this identity card was a man in his fifties. He guessed that his authority would be higher.

Jiang Jinyuan brushed again, and this time he passed the permission detection. The flashing red light turned into a green light, but then he asked for fingerprint detection.

"Where did your identity card come from without the owner's fingers and eyes corresponding to this card, we still can't open the electronic door lock." Jiang Jinyuan studied it again and said to Liu Gan.

"Fingers and Eyes" Liu Gan suddenly remembered the small bottle that Pan Hua picked up, which was also left behind from the girl. The bottom of the bottle contained three words "cultivator". It would not contain the fingers and eyeballs corresponding to this identity card. It shouldn't be the fingers and eyeballs corresponding to this identity card?

Liu Gan found the small bottle from his backpack and gave it to Jiang Jinyuan. After Jiang Jinyuan took the small bottle, he looked at Liu Gan in surprise, but he did not hesitate to open the bottle cap of the small bottle.

Sure enough, there was a finger and an eyeball floating inside.

"Where did you get this thing?" Jiang Jinyuan asked Liu Gan a little strangely.

"Picked up." Liu Gan replied to Jiang Jinhara.

Seeing that Liu Gan didn't want to say anything in detail, Jiang Jinhara didn't ask anything anymore. He took out his finger from the incubator, asked Liu Gan to clean the toilet paper, and pressed it to the place where the fingerprint was verified.

The green light illuminated again, and then the electronic door lock required iris verification.

After taking out his eyes, Jiang Jinyuan wiped it with toilet paper and pointed it at the scanning area where the iris verification was. After scanning, the red light of the electronic door lock flashed, and it was obvious that it could not pass the verification.

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