WiFi Alarm System for Home Security, DIY Wireless Alarm Kit 21PCS

No Monthly Fees, No Hidden Subscription: Get complete home security systems without recurring costs. This WiFi alarm system delivers instant APP push alerts upon trigger. This home alarm system wireless Works on 2.4GHz WiFi only, no SIM card required, well‑suited for apartments and family houses
Password Keypad & Back‑Mounted Tamper‑Resistant Design: Practical security alarm system for house and door alarms for home security. Built‑in password keypad prevents false operation and unauthorized disarm. Equipped with physical anti‑removal device on the back of the hub. It will trigger local alarm and real‑time phone alerts immediately if the hub is pried loose or removed, offering 24/7 reliable home‑security protection
48‑Hour Battery Backup for Power Outage: Built‑in rechargeable backup battery keeps the alarm hub working up to 48 hours during blackouts. Stable WiFi connection lets you receive remote notifications even from far‑away locations. This is a reliable wireless alarm system for home security