Worried about thieves ?
Always lost keys and have to replace locks ?
Troublesome to charging electronic lock ?
Wondering that the records of your locks could be tracked ?
That's why we are here !
Product Parameters | Lock body materical | zinc alloy |
| NFC regional materical | PC+ABS |
| Operating voltage | 2.2v---3.3v |
| Operating current | 250mA(Max@Unlocking condition) |
| Operating temperature | -20---65ºC |
| Operating humidity | 20%---98%RH |
| Switching life | ≥500000 |
| Power supply | Collect the enery of mobile phone NFC |
| Protection level | IP65 |
| Unlocking time | ≤7s |
| Product features | No battery,Maintenance-free,Highly reliable,Environmentally friendly |
| Operating frequency | 13.56MHZ |
| Key protection | AES128 encryption |
| Operating distance | Touch-to connect distance≤1CM |
Create lock without power or wiring makes installation simpler and efficient . 
| Model | CRT-K100L/K104L | CRT-K102-4G |
| Operating voltage | 3.3V-4.2V |
| Operating environment | Temperature (-40~80°),Humidity(20%~93%RH) |
| Barrery capacity | 500mAh |
| One charge for unlock times | 1000times |
| Charging time | 2 hours |
| Communication interf | Type-C |
| Unlock record | 100,000 pieces |
| Protction level | IP67 |
| Fingerprint identification | × | √ |
| Visual screen | × | √ |
| Date transfer | √ | √ |
| Remote authorization | × | √ |
| Voice+light prompt | √ | √ |
| Bluetooth | √ | √ |
| NB-lot/4G | × | √ |
CRAT Smart Passive Electronic Lock System is composed of passive locks, smart electronic key and intelligent lock management software. A key could open multiple kinds of locks.
Electronic key will record unlocking and locking data You could check the unlock report in smart lock software. If your key was lost or theft. such keys can be swiftly disabled.
Data transfer (basic) remote authorization fingerprint identification.
Authorization management makes it convenient to assign unlock permission to department or individual.
The presentation of combining list and the map makes every lock clear visible.
We invest over 3% of our annual sales revenue in R&D with numerous patent achievements .
Provide customized service for model and management software according to your needs. CRAT Smart lock widely used in mobile China unicom rn telecom tower and other units.
Our intelligent lock system applied in the communication machine room cabinet, outdoor control cabinets ,optical cable transfer boxes, communication base stations and so on.
MAIN PRODUCTS: Passive smart lock,Electronic Wireless Intelligent lock,Communication base- station smart lock,Passive padlock,Bluetooth padlock,NB Intelligent Optical box lock,Intelligent manhole cover lock,Public passage Smart lock and the full range of smart locks.
We provide free standalone version lock software ,also web-based lock software which is paid.
And,we can customize the lock to your requires .
Please feel free to contect us and tell us your demand . 
