Choosing a home security system usually comes down to one question: do you need a complete alarm kit to cover doors and windows, or are you expanding a system you already own? These four options range from a $19.89 keypad to a $179.99 solar-powered outdoor alarm kit, so the right choice depends on coverage, weatherproofing needs, and budget.
Quick take
Here's the short version.
- If you're starting fresh and want door/window coverage, the tolviviov WiFi 8-Piece Kit ($110.99) includes an alarm station, five sensors, and two remotes with no monthly fee.
- If you want app control, a keypad, motion detection, and eufyCam links, the eufy 5-Pcs kit ($159.99) is the app-focused option.
- If your concern is outdoor areas, the HTZSAFE Solar Alarm System ($179.99) uses a solar beam sensor, siren, and strobe with an 800-meter range.
- If you already have Ring Alarm and need another keypad, the Ring Keypad 2nd Gen ($19.89) is an open-box add-on.
Listed price comparison
| Option | Listed Price | What it covers | Bar |
|---|---|---|---|
| tolviviov WiFi 8-Piece Kit | USD 110.99 | Siren station, 5 door/window sensors, 2 remotes | |
| eufy 5-Pcs Wireless Alarm Kit | USD 159.99 | HomeBase, keypad, motion sensor, 2 entry sensors | |
| HTZSAFE Solar Alarm System | USD 179.99 | Solar beam sensor, solar siren with strobe | |
| Ring Keypad 2nd Gen | USD 19.89 | Keypad for Ring Alarm systems |
Decision matrix
- Need multiple door/window sensors included? The tolviviov 8-Piece Kit has five sensors and two remotes for $110.99.
- Need a keypad, motion detection, and app control? The eufy 5-Pcs kit includes those plus two entry sensors at $159.99.
- Need weatherproof, solar-powered outdoor coverage? The HTZSAFE system combines a solar beam sensor and siren/strobe with a 120 dB rating for $179.99.
- Need a low-cost extra control point for Ring Alarm? The Ring Keypad 2nd Gen costs $19.89 and is open box.
The options up close
tolviviov WiFi Wireless Home Security Alarm System, 8-Piece Kit with Door Sensors
The tolviviov kit is a complete starter package: one alarm siren station, five door/window sensors, and two remote controls. It connects to a 2.4GHz WiFi network for instant smartphone notifications, with no monthly fees or subscription. It is expandable to support up to 20 sensors and 5 remote controls or keypads, so you can add compatible accessories later. The trade-off is that it depends on a 2.4GHz WiFi network, so your router must broadcast that band, and the kit includes one siren station rather than multiple. At $110.99, it includes more door/window sensors out of the box than the eufy kit, which helps if several doors need coverage.
eufy 5-Pcs Wireless Alarm System Smart Home Security Kit Motion Sensor with App
The eufy 5-Pcs kit is the one to consider when you want a keypad, motion detection, and app control in one package. It includes a HomeBase, keypad, motion sensor, and two entry sensors, and it links with eufyCam cameras. One charge powers the entry sensors and motion detector for 2 years, while the keypad runs for 6 months on a single charge. At $159.99, it costs more than the tolviviov kit and includes only two entry sensors, so it is less useful for homes with many doors. It is also intended for indoor use only, so it won't cover outdoor entry points.
HTZSAFE Solar Wireless Alarm System 800 Meters Wireless Range DIY Home Security
If your security concern extends beyond doors, the HTZSAFE solar alarm system is built for outdoor coverage. The beam sensor and the weatherproof siren and strobe are solar powered, so there is no wiring and no need to replace batteries; built-in rechargeable batteries are topped up by solar panels, with a DC charge jack available as an alternative. The system is rated for 800 meters of wireless transmission range, though real-world range varies, and the siren is rated at 120 dB. At $179.99 it is the highest price in this group, but the solar design suits yards, sheds, and driveways. It is suitable for outdoor and indoor locations, giving you flexibility in where to place the sensor and siren.
Ring Keypad 2nd Gen for Ring Alarm Wireless Home Security Systems
The Ring Keypad 2nd Gen is the lowest-priced item here at $19.89, but it is not a full alarm system. It is a wireless keypad designed for Ring Alarm systems, so it works best as a second control point for a home that already uses Ring Alarm. This unit is open box, so it may show scuffs, scratches, or other cosmetic wear while still working. It is white and indoor-only. If you don't already have a Ring Alarm system, this keypad won't monitor entry points on its own; it needs a compatible Ring Alarm setup to function. The low price and open-box condition are the trade-offs.
Final recommendation by use case
- First system with multiple door/window sensors included: tolviviov WiFi 8-Piece Kit at $110.99.
- App-driven setup with keypad and motion detection: eufy 5-Pcs Wireless Alarm System Kit at $159.99.
- Outdoor solar-powered coverage: HTZSAFE Solar Wireless Alarm System at $179.99.
- Extra control point for an existing Ring Alarm: Ring Keypad 2nd Gen at $19.89.



