Compustar CS7900-AS 2-Way Remote Start and Alarm
- 3000 feet maximum range
- 2-way LCD remote and a 1-way 4-button FM remote
- 105 dB siren with security control module
- DroneMobile support for phone control
- Starter-kill relay and temperature sensor
- 1 year warranty, 1.1 pounds
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
An all-in-one remote start and alarm bundle with a long range two-way remote and a loud siren. The listing does not describe installation, so plan on professional fitting.
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ASIN: B07HMX118WModel: 8542115767Category: Car Remote Starters
Overview
A driver who wants remote start and an alarm in one kit gets a two-way LCD remote, a second four-button remote, a control module and a relay that blocks starting without the right signal. The antenna and a temperature sensor are in the box.
Seeing confirmation on the remote screen is the main benefit of two-way control, and the long range works across a parking lot. The limitation is installation detail, since the listing names the parts but no steps, and a professional installer is the sensible route.
Who it's for
A commuter parking in a lot or garage will value the confirmation screen and the siren. A DIY buyer expecting a plug-in kit should know the listing describes a full control module and relay.
Pros and cons
- Two-way remote with LCD screen
- Second remote included
- Loud alarm siren
- Starter-kill relay for security
- Installation steps not listed
- Compatibility depends on the vehicle
- Wiring harness not listed
- Remote battery type not listed
Performance notes
Two-way operation means the remote receives a confirmation from the car, so the owner knows the engine has started. Range figures are measured in open conditions and drop in buildings and dense parking areas. The starter-kill relay stops the engine from cranking until the system is disarmed.
Where it stands among car remote starters
- #2 most-searched brand and model of the 9 car remote starters lines we track (by search demand, not sales).
From the specs of the 19 car remote starters we list; not a test result.
Specifications
| Brand | Compustar |
|---|---|
| Model | 8542115767 |
| Dimensions & fit | |
| Item weight | 1.1 pounds |
| Capacity & performance | |
| Maximum Range | 3000 feet |
| Audible Noise | 105 dB |
| Compatibility & installation | |
| Compatible Devices | Cars, trucks, vehicles with DroneMobile support |
| Included components | |
| Unit Count | 1 Count |
| Warranty & support | |
| Warranty Description | 1 year warranty |
| Other details | |
| Remote type | 2-way T9 LCD remote, 1-way G15 FM 4-button remote |
| Builtin Media | 2WT9R-FM remote, 1WG15R-FM remote, ANT-2WFMX antenna, CM900-AS control module, E-LOCK starter-kill relay, alarm siren, FT-TEMP temperature sensor |
| Mfr Part Number | CS7900-AS |
Closest rivals on specs
Start-X Remote Starter Kit for Toyota Tundra- Item Weight 1.1 vs 1.41 pounds (-22%)
Start-X Remote Starter Kit for Toyota 4Runner- Item Weight 1.1 vs 1.41 pounds (-22%)
Frequently asked questions
How do I install the Compustar CS7900-AS bundle?
The listing names the parts but no installation steps or tools. The kit includes a control module, a relay, an antenna and a temperature sensor.
What is in the Compustar CS7900-AS box?
Two remotes, an antenna, a control module, a starter-kill relay, an alarm siren and a temperature sensor.
Can the Compustar CS7900-AS be controlled from a phone?
The listing says compatible with vehicles with DroneMobile support. It does not give the app details.
Is the Compustar CS7900-AS a one-way system?
No. It is a 2-way system, though a second 1-way remote is also included.