Iot Nb 4G Professional Access Controlled Key Management Top Security Wireless Durable Manhole Cover Video,Demo, How It Works & Features

Name: Iot Nb 4G Professional Access Controlled Key Management Top Security Wireless Durable Manhole Cover
Uploaded: 2026-07-10T22:50:25+08:00
Description: Watch the Iot Nb 4G Professional Access Controlled Key Management Top Security Wireless Durable Manhole Cover video demo to see how it works, key features, and real-use scenarios. A helpful video guide before you buy.

2026-06-15 3510

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Product Specifications

Model NO.:

CRT-JG700N

After-sales Service:

Video Technical Support Online Support

Warranty:

1 Year

Material:

FRP+SUS304

Shape:

Round

Certification:

RoHS, ISO, CE

Customized:

Customized

Application:

Pipe Wells Cover, Tube Well Cover, Road safety

Working Principle:

Electronically Controlled Lock

Function:

Fail-Secure

Type:

Mechatronic Lock

Colour:

Yellow

Lock Core Main Material:

304 Stainless Steel

Technology:

Encryption Technology

Service Life:

300000 Times

Protection Level:

IP68

Alarm:

Unlock Alarm

Fabric:

Waterproofs Dustproof

Specifications:

Multiple Specification

Trademark:

CRAT

Transport Package:

Carton

Specification:

70*70*16cm

Origin:

China

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