哪些无线上门报警系统在200英镑以下且评分最高？

The SimpliSafe Starter kit includes a base station, keypad, three entry sensors and one motion sensor to cover main doors and interior movement, with a built-in 95dB siren and cellular backup for professional monitoring. It supports app control and integrations with Alexa and Google Assistant, and can be self-monitored or used with SimpliSafe professional plans.

Starter Kit II includes a controller (hub), one motion sensor, one door/window contact and one Smoke Alarm II which doubles as the siren. It offers easy app setup, battery-powered sensors with multi-year life and integrations with major voice assistants, aimed at DIY users who want a subscription-free system. The siren is loud enough to act as an effective deterrent.

A compact kit that includes a HomeBase, keypad, motion sensor, and two entry (door/window) sensors. It offers app control, adjustable motion sensitivity, and battery-powered sensors with multi-year runtime for most sensors, designed for easy DIY setup and no required monthly fee.

The Ring Alarm Security Kit (5-piece) includes a base station, keypad, one contact sensor, one motion detector, and a range extender. It uses Z-Wave wireless with a 250-foot line-of-sight range, a 104 dB siren, and integrates with Alexa and Google Assistant for smart home control; it's controllable via the Ring app and offers optional professional monitoring and cellular backup.

A compact 5-piece kit (hub, keypad, motion sensor(s), contact sensor and optional external siren) with up to 1km wireless range, loud 100 dB external siren, and integrations with major voice assistants and Philips Hue. It's expandable to up to 100 accessories and works via the Yale Home app with optional subscription plans for features like cellular backup and cloud video.

The Minut All-in-One Smart Home Sensor (Point) combines motion, glass-break, noise, temperature, humidity, mold and light detection in a single wireless unit with a built-in 85 dB siren and tamper alerts. It's designed for privacy-first monitoring without cameras or continuous audio recording and integrates with voice assistants and IFTTT for automations. Suits rentals, small homes or single-room coverage where discreet, multi-sensor monitoring is preferred.