Sonoff DW2 RF

Specification: 13.56MHz Reader. with USB interfce. It can support S50 S70 one card Interface: USB port Status indication: LED; Buzzer Operating frequency: 13.56 MHz communication speed: 9600 titles more→read distance: 010 cm Packaging materials: ABS Operating Temperature: 20graus ~ 55graus Support system: Windows 2000 XP NT ME Vista Support read S50 S70 one .Plug and play, the standard computer USB keyboard interface mode, no need loading any driver. By computer USB interface to provide stable power supply, no external power supply, and built‑in power protection. Fine workmanship and good performance. Easy to use. Stable and durable. Built?in buzzer and LED for identification. Widely used in…

Feature: Smart Tracker Attach BT tracker to daily items such as car keys, kids' bags, wallets or pets' collars, then use our free app (Support both iOS and Android system) to track them. APP Remote Co more→ntrol Download free APP, then pair it with your phone. And the BT tracker will generate beep sound when you press the button via APP within 98 ft (Open Space).? Two-way Notification When BT tracker and your phone are out of effective range, both your phone and tracker generate beep sound to remind you and help you track it back. Easy to carry This tracker is small and lightweight, easy to carry like a key chain hanging on your kids' schoolbag or pet's collar. GPS Tracker It displays location where …

Feature: 1. This smart for Zigbee switch is a mini design set in the wall switch box, easily hidden in the hidden wall switch box of the traditional switch, without affecting your original decoration more→style, making it more intelligent. 2. Working with for Google Home, instead of reaching the on off button every time, you can turn on off household appliances through voice control. 3. You can create scenes according to your preferences. You can create scenes on for Google Home, which is very convenient and can meet your needs well. 4. Create a group control for all smart relays. A smart relay can be controlled by multiple mobile phones and shared with family members. Everyone can easily control …