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NavKar Systems

Combo-CN66 Electronic Lock for Metal Gate to Operate by Remote & Mobile App Silver Gold with Installation

Combo-CN66 Electronic Lock for Metal Gate to Operate by Remote & Mobile App Silver Gold with Installation

Regular price Rs. 7,449
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Amazon price checked 28 Oct 2026; Amazon prices change often. All our prices include GST, with the same warranty and free support.

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The NavKar Systems Combo-CN66 is an electronic gate lock kit for metal main gates that you can open with a remote or from your phone. It pairs the weatherproof RML-8K electronic rim lock with the NavKar Wi-Fi lock supply.

Highlights

  • Remote or mobile app. Unlock the gate with the remote, or tap the switch in the Smart Life app on Android or iOS from anywhere. Works with Alexa and Google Home.
  • Wi-Fi lock supply. Powers the lock and connects it to your home Wi-Fi router. Pair up to 20 remotes and add up to 15 app members.
  • Weatherproof RML-8K rim lock. Steel lock body made for outdoor main gates. It mounts on the inside face of a metal gate or door, with a strike on the frame.
  • Self-locking latch. The latch locks again by itself as the gate closes.
  • Key backup. A 32 mm brass key cylinder with computerised keys opens the gate from outside during a power cut.
  • Add an exit switch or door phone. A push-button exit switch or the door-release output of a video door phone can be wired to the SW and VDP terminals (not included).

In the box

RML-8K electronic rim lock with 8 keys and fitting kit, NavKar Wi-Fi lock supply and remote. Silver body with gold-coloured brass cylinder.

Good to know

  • Use 2.4 GHz home Wi-Fi. 5 GHz is not supported.
  • In the Smart Life app, open Timer and keep Inching on at 1 second so the lock coil gets only a short pulse.
  • Mount the supply indoors on a dry wall, away from water.
  • Mounting on a metal gate may need welding of a plate. Wiring should be done by a trained electrician.

Set up in minutes.

Three steps from the box to your open gate.

1
Fit the rim lock
Mount it on the inside face of your metal gate or door, with the strike plate on the frame.
2
Connect the power supply
Fix the supply indoors on a dry wall and wire it to the lock using the diagram below.
3
Pair remotes and the app
Add your remotes, then connect the Smart Life app on 2.4 GHz Wi-Fi and open the gate in one press.

Watch it in action.

Wiring diagram.

Follow it exactly, or hand it to your electrician.

NavKar rim lock wiring diagram

Specifications.

At a glance
Remote range: 80 to 100 m, depending on the area
Remotes: 3 in the box, up to 20 compatible remotes
Locking: self-locking latch, locks again as the gate closes
Fitting: surface mount on metal gates and doors
App: Smart Life (Tuya) on Android and iOS, 2.4 GHz Wi-Fi

Questions, answered.

Will the remotes work if the internet is down?
Yes. The remotes talk to the receiver directly by radio, so they need no Wi-Fi or internet.
How many remotes can I add?
You get 3 remotes in the box and can pair up to 20 compatible remotes.
What range can I expect?
80 to 100 m, depending on the area. Walls and metal near the receiver can reduce it.
Who should install it?
A trained electrician or carpenter. Mounting on a metal gate may need a welded plate.
Does the app need 5 GHz Wi-Fi?
No. Use a 2.4 GHz network; 5 GHz is not supported.

NavKar Systems designs and supplies electronic locks and gate automation for Indian homes. Every kit is a matched set.

NavKar Systems Combo-CN66

Specifications

Combo-CN66 is a gate lock kit for metal main gates that opens by remote or from your phone. It has the weatherproof RML-8K rim lock and a NavKar WiFi lock supply that pairs up to 20 remotes and adds up to 15 app members. It also works with Alexa and Google Home.

Lock: ModelRML-8K electronic rim lock
Lock: BodySteel, weatherproof, silver finish
Lock: LatchSelf-locking latch
Lock: Key backup32 mm brass key cylinder with computerised keys, gold-coloured; 8 keys
Lock: MountingInside face of a metal gate or door, strike on the frame
Supply: ModelNavKar WiFi lock supply
Supply: AppSmart Life (Tuya), Android and iOS
WiFi band2.4 GHz only, 5 GHz not supported
Voice controlAlexa and Google Home
Remotes in box3
Maximum remotesUp to 20 compatible remotes
App membersUp to 15
Remote range80 to 100 m, depending on the area
Exit switch and door phoneTerminals SW and VDP (switch and door phone not included)

In the box

  • 1 x RML-8K electronic rim lock with 8 keys and fitting kit
  • 1 x NavKar WiFi lock supply
  • Remote (3 remotes as per specification)
Download datasheet (PDF)

Specifications from NavKar Systems' product details for this model. All prices include GST.

Frequently asked questions

What is in Combo-CN66?

The RML-8K rim lock with 8 keys and fitting kit, the NavKar WiFi lock supply and remotes. The specification says 3 remotes are in the box.

Will the remotes work if the internet is down?

Yes. The remotes talk to the receiver directly by radio, so they need no WiFi or internet.

Which WiFi does the app need?

2.4 GHz WiFi. 5 GHz is not supported.

What is the remote range?

80 to 100 m, depending on the area. Walls and metal near the receiver can reduce it.

How many remotes and app members can I add?

Up to 20 compatible remotes and up to 15 app members.

What if there is a power cut?

The 32 mm brass key cylinder with computerised keys opens the gate from outside, and 8 keys are supplied.

Can I add an exit switch or door phone?

Yes. A push-button exit switch or the door release output of a video door phone can be wired to the SW and VDP terminals. They are not included.

Who should fit it?

A trained electrician. Mounting on a metal gate may need a welded plate.

What are the payment and delivery terms?

All prices include GST and shipping across India is free. Orders are prepaid only (UPI, cards, net banking). NavKar also gives free technical help on WhatsApp for setup questions.

How does an electronic rim lock work?

It fixes on the inside face of a gate or door. The motor retracts the latch when you press a remote or use the app, and the latch locks again when the gate closes. A key cylinder gives a manual backup.

Will it fit my gate?

Rim locks mount on most metal and wooden gates and doors that open inward or outward. Check the lock dimensions and the opening direction listed in the product details.

Is technical support available?

Yes. Free technical support is available for installation and setup.

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