Shelly 1PM UL WiFi Smart Relay Switch with Power Metering: UL-certified smart relay switch
For the homeowner who wants to cut energy bills and automate daily routines, the Shelly Plus 1PM smart relay is your go-to tool. While many smart switches focus on convenience, this one gives you precise control over appliance power usage, helping you save money and prevent waste. You can monitor exactly how much energy your coffee maker or space heater draws, and turn it off remotely if you forget—no more phantom loads draining your wallet.
With its built-in power metering, you see real-time consumption data right in the Shelly app, making it easy to identify energy hogs. The two-pack lets you manage multiple circuits, like automating outdoor lights to deter intruders or scheduling a hot tub to heat only during off-peak hours. Setup is straightforward with Wi-Fi and no hub required, and Alexa compatibility means you can voice-control devices hands-free. Its UL certification ensures safety for high-load appliances, giving you peace of mind whether you are at home or away.
Features
- Power metering with voltmeter and ammeter
- WiFi and Bluetooth connectivity
- Remote control via app
- Compatible with Alexa and Google Home
- Overheating and overcurrent protection
- UL-certified smart relay switch
General specs
- Brand: Shelly
- Model: 1PM UL
- Seller: Amazon
- ID: B0BWNCTSHN
- Type: WiFi Smart Relay Switch
- Width: 1.65 inches
- Height: 0.67 inches
- Length: 1.5 inches
- Weight: 0.06172943336 lbs
- Channels: 1
- Quantity: 2
- Warranty: 3 years
- Functions: Power Metering, Bluetooth Gateway, Home Automation, Wireless Lighting Control, WiFi Repeater
- Product Name: Shelly Plus 1PM UL
- Compatibility: Alexa, Google Home
- Certifications: UL
- Control Method: Shelly Smart Control App, Remote Control, Bluetooth, WiFi
- Hub Requirement: No Hub
- Maximum Current: 15A
- Automation Features: Custom Scenes, Time-based Activation, Sensor Integration, Notifications
- First listed by seller: 6/20/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
Comparison with similar products
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Shelly 1PM UL UL-certified smart relay switch
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| Brand | Shelly | Tuya | Tuya | Tuya | Tuya | HomeAssistant |
| Model | 1PM UL | 634844 | Control | eWeLink | ||
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| Price | $52.49 | $12.14 | $15.99 | $22.91 | $37.05 | $33.43 |
| Seller | Amazon | Joom | Joom | Joom | Joom | Joom |
| Update | November 9, 2025 | December 8, 2025 | December 8, 2025 | December 20, 2025 | December 8, 2025 | December 20, 2025 |
| Weight | 0.06172943336 lbs | <num1>, <num2> | <num1>, <num2> | |||
| Wattage | 16, 20 | <num1>, <num2> | <num1>, <num2> | |||
| Connectivity | Zigbee, Wi-Fi | Wi-Fi, Zigbee | Wi-Fi | Wi-Fi | Wi-Fi | |
| Power Source | AC | AC | AC | AC | ||
| Input Voltage | 100, 240 | <num_from>, <num_to> | <num_from>, <num_to> | |||
| Smart Home Compatibility | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | Amazon Alexa, Google Assistant | Tmall Genie | ||
| App Compatibility | Smart Life, Tuya | Smart Life, Tuya | eWeLink | |||