Advantages and Features 
 First, the manufacturing process 
 High-manganese steel alloy panels, metal forming presses using 600 tons, its safety performance through the national Ministry of Public Security certification. Quality Assurance is no doubt, box match exactly, so smashing, prying, fire can not do anything. 
 Second, the design: 
 1, cleverly designed, do not take the body to use space. The use of original spare tire fixed point of the screw nut with the installation, without drilling, convenient, does not destroy the original body, the structure does not affect any car. Safe installation of the spare tire in the car wheels, the spare tire structure using multiple reinforced wall safes problems; make the product safe light, energy saving, saving the owner the full fuel. 
 2, the clever use of the screw nut fixed origin spare tire installed, so safe, spare tire, the vehicle of the three fixed together, which is to ensure a safe and prevent the owners of property stolen spare tire. 
 3, the unique design of the panel hat, completely covering the spare tire wheel, making the thief was no way, the box integration with the spare tire, inside the property by the cabinet and multiple wheel tire protection, extra security. 
 4, enter the password, the lid automatically pops up a user-friendly design allows you to take place freely, easy to operate. 
 5, 1-8 digit password can be set up, safe and reliable; the wrong password three times, electronic locks automatically lock, sleep for five minutes before the start, to prevent malicious unlock; spare key, to prevent the password is lost. 

 Third, the technology 
 1, the use of die stamping, forming a more solid; 
 2, the national patent products, spare wheel on the car safe in the round; 
 3, clever panel hat design, allowing for integration with the spare tire, so that inside the property by the double protection; 
 4, the research team developed China's first round safe vehicle's technical team. 
 Fourth, the use of 
 1, enter the password (initial password is 1234), press # key, you can automatically open, convenient and easy way; 
 2, to abandon low-level metal spring, featuring pneumatic gas spring lid down to avoid crushing the palm; 
 3, user-friendly direction with the car trunk lid open floor opened in the same direction, making the owners to take things more convenient. 
 Fifth, installation 
 Easy to install, no professionals, will be installed will be removed spare tire, with a password can not disassemble. 
 Sixth, after-sales service 
 We promise: Product year replacement, lifetime maintenance, relieve your worries. 
 Seven joint underwriting by the Pacific Insurance Company, will be in the end the insurance 
 Eight, with the same size compared to other brands round safe vehicle combination of greater volume of more 
 Nine, national patent products, through the Chinese Ministry of Public Security Force 3C export quality certification and CE certification 



 Product Manual 
 Product Name: car car invisible shield safe 
 A description of ① Each time you press the number keys buzzer sound, said the key input has been identified. ② button panel "*" and "#" key role is two completely different key, "#" for that confirmation. If you make a mistake, press "*" key to delete, then re-enter. ③ Press any number key after 20 seconds if no subsequent keys to enter the SLEEP state. ④ Once the SLEEP state, all operations terminated, press any key to wake up to enter the functions. 

 Two people to set and change password 
 ① open state, according to the car invisible electronic code inside the lock box next to the red button (hand can touch), a short buzzer sound is called, then you can enter your personal password (1-8 digits can be any type), After entering, press "#" key to confirm the buzzer sound two short beeps, is set up. 
 ② If the input error, press "*" key to delete, then re-enter. 

 Three-door, lock the door 
 ① Enter the correct password or administrator password, press "#" button to confirm the green light, buzzer sound long call, this time the door opens automatically. 
 ② lock the door, the hand a little hard to hold the door for two seconds, automatic door locks. 
 ③ If the password is wrong, the alarm buzzer sound, then you can re-enter the password. After three consecutive incorrect, the car invisible electronic code box into the 5-minute auto lock. 
 4, such as password forgotten or battery is discharged (not promptly replaced with new batteries) cause can not open the password-box, the counter-clockwise twist open ring-pull, you can use the emergency key to open the Password box, re-follow the instructions to the second personal password settings and change the method of re- password or Phillips screwdriver to open the battery compartment cover screws replace the battery. 

 Four voltage indication 
 ① battery voltage, the red indicator light, this time able to work, hope to replace the battery as soon as possible. 
 ② power state, the password will not disappear, to be kept permanently. 

 Five technical parameters 
 ① film work: four 5 "AA" alkaline batteries 
 ② Operating voltage range: 4.0V-6.8V 
 ③ working voltage point: 4.50V ± 0.30V 
 ④ Operating Current: ≤ 380mA 
 ⑤ quiescent current: <5Ua 
 ⑥ Operating temperature: -10 ℃ - +70 ℃ 
 ⑦ Humidity: 10% -90% RH