24 best alarm under CHF 20.00
We picked 24 alarm from AliExpress with real orders and good reviews. Prices go from CHF 1.70 to CHF 16.58, the average rating is 4.8 stars and the most popular one has 63k orders. Every product opens on AliExpress, where you pay with buyer protection.
Updated: 2026-11
- 1
-60%Design Super Bright LED Source Work Lamp with Magnet Alarm SOS Key Chain Power Bank WaCHF 2.10 CHF 5.29★ 4.9 · 63k soldView on AliExpress → - 2
-59%ANENG VD807 NCV Non‑Contact Voltage Tester Pen 12‑300V Sound Light Alarm Live Neutral Wire BreakpoinCHF 3.44 CHF 8.42★ 4.9 · 8.5k soldView on AliExpress → - 3
-59%Aluminum Alloy Motorcycle Bicycle Lock with Alarm Safety Protection Removable Bag And Durable RopeCHF 12.48 CHF 30.19★ 4.9 · 5.7k soldView on AliExpress → - 4
-55%Fishing Bite Alarm Camping Equipment Electronic Buzzer on Fishing Rod with Loud Siren Daytime Night IndicatorCHF 4.80 CHF 10.68★ 4.7 · 5.4k soldView on AliExpress → - 5
-60%Car Remote Central Door Lock Keyless Control Kit Alarm System Remote ControlCHF 8.50 CHF 21.00★ 4.9 · 3k soldView on AliExpress → - 6
-50%DC 12V 24V 36V 48V 72V Battery Capacity Voltage Meter with Alarm, Battery Capacity Gauge Indicator, BatteryCHF 3.24 CHF 6.48★ 4.9 · 2.8k soldView on AliExpress → - 7
-67%Motorcycle Alarm Disc Lock Anti Theft 110dB Waterproof Motorcycle Disc Brake Lock AluminumCHF 1.93 CHF 5.83★ 4.9 · 2.8k soldView on AliExpress → - 8
-58%Car Tire Pressure Monitoring System Car Tyre Pressure Monitor Tyre Pressure Alarm 4 ExternCHF 15.91 CHF 37.45★ 4.9 · 2.8k soldView on AliExpress → - 9
-58%Car TPMS Cigarette Lighter Tire Pressure Monitoring System Alarm Tyre Air Pressure Meter GCHF 16.58 CHF 39.02★ 4.9 · 2.6k soldView on AliExpress → - 10
-50%JUSEPU 5PCS Night Fishing Rod Tip Light LED Strike Alert Luminous Stick Waterproof Bite Alarm Lamp with CR425CHF 3.71 CHF 7.42★ 4.9 · 2.5k soldView on AliExpress → - 11
-57%N01K 4G GPS Car Tracker Real-Time Vehicle Locator Free APP Tracking Anti-Theft Alarm Geo-FCHF 14.05 CHF 32.94★ 4.9 · 2.4k soldView on AliExpress → - 12-53%JUSEPU 5PCS Night Fishing Rod Tip Light LED Strike Alert Luminous Stick Waterproof Bite Alarm Lamp with CR425CHF 3.49
CHF 7.42★ 4.8 · 2.1k soldView on AliExpress → - 13
-60%Propane Butane Sensor 12V Gas Detector Sensor Alarm LPG Natural Motor Home Camper Marine LCHF 6.48 CHF 16.40★ 4.9 · 2k soldView on AliExpress → - 14
-54%Car Vibration Sound & Light Alarm with Remote 108dB Automobile Anti-Theft Alarm VibrationCHF 12.85 CHF 27.95★ 4.9 · 2k soldView on AliExpress → - 15
-57%G20 HUD GPS Car Digital Speedometer Head-Up Display Universal Big Font Overspeed Alarm ForCHF 8.33 CHF 19.15★ 4.9 · 1.8k soldView on AliExpress → - 16
-67%Google Find My 2025 Gps Tracker Android Portable GPS Tracker Anti-Lost Alarm Android FindCHF 2.77 CHF 8.51★ 4.9 · 1.5k soldView on AliExpress → - 17
-50%Color Change LED Fishing Rod Tip Light Bite Alarm with Twin Bell Night Fishing Indicator LampCHF 1.70 CHF 3.39★ 4.9 · 1.4k soldView on AliExpress → - 18
-62%Universal Type Motorcycle Anti-theft Alarm, Vibration Alarm, Remote Control, Car Searching, AdjustableCHF 6.46 CHF 16.95★ 4.9 · 1.2k soldView on AliExpress → - 19-55%Universal Type Motorcycle Anti-theft Alarm, Vibration Alarm, Remote Control, Car Searching, AdjustableCHF 8.51
CHF 18.95★ 4.7 · 1k soldView on AliExpress → - 20
-70%Extractme 110dB Anti-Theft Alarm Wireless Vibration Alarm with Remote Control Door and WinCHF 6.78 CHF 22.39★ 4.7 · 1k soldView on AliExpress → - 21
-14%Universal Keyless Entry System Car Alarm Systems Device Auto Remote Control Kit Door LCHF 10.70 CHF 12.38★ 4.7 · 1k soldView on AliExpress → - 22
-12%2.4GHz RFID Immobilizer Wireless Engine Automatic Lock Car Alarm System Anti-Hijacking CirCHF 12.00 CHF 13.62★ 4.6 · 1k soldView on AliExpress → - 23
-15%Car Remote Central Door Lock Keyless System Central Locking with Car Alarm Systems Auto ReCHF 9.20 CHF 10.88★ 4.6 · 800 soldView on AliExpress → - 24
-50%2-20PCS Fishing Rod Tip Light, Fish Bit Alarm, with Multi-color Flash Sensor, SuitableCHF 2.11 CHF 4.23★ 4.9 · 783 soldView on AliExpress →
Prices and ratings come from AliExpress and can change. We may earn a commission when you buy through our links, at no extra cost to you.