Features:

Smart Wi-Fi Wireless Light Switch Kit: Control your lights, ceiling fans, and other fixtures from anywhere with this Wi-Fi wireless light switch kit. Works with any lights like halogen/ incandescent/ CFL/ fluorescent/ LED light.

Portable and Flexible: Relocate the wireless light switch to lights without wiring & tearing walls, easily remodel your existing switches location. No more complicated wiring.

App Remote Control: Download our App "King Smart" on your smartphone or tablet, and then you can control your lights or other appliances through the App from anywhere. No monthly fees required. (Need Android 4.1 & iOS 8 or higher).

Set Schedules for Lights: You can set schedules for your lights and appliances on your phone, so your lights can be automatically ON at dusk and OFF at dawn.

Voice Control: Perfectly compatible with Alexa and Google Assistant for voice control. No need to find the switch panel to control lights when your hands are holding something or busy cooking.

DIY Your Light Switch System: One switch can pair with multiple receivers to accomplish one switch simultaneously control several lamps. One receiver can pair with up to 8 switches to accomplish a multi-way switch system. Encrypted connection, no signal interferences between switches.

Economic and Environmentally Friendly: Save wire, pipes and labor cost. No battery, no dust and no noise. Easy to add or remove a switch or receiver in the switch system.

Large Effective Operating Range: Up to 1640ft (500m) wireless range in open area, 130ft (40m) wireless range indoor with obstacles. Large wireless range is perfect for home and commercial use.

IP54 Water-resistant and Durable: Works great in wet environments like bathroom and courtyard. Self-powered switch with CR2032 button lithium battery (included), up to 20 years lifetime.

Safety Guarantee: CE, FCC, RoHS and CQC certified. Fireproof PC housing and self-powered design, no wiring to power, no electric leakage probable.

Compatible with Wired Switch: No need to rebuild your switch system, the wireless switch is also compatible with the traditional wired switch. (Need to turn on the traditional wall switch first, so the wireless switch can control the light.)

Made for Everyone: Place this wireless switch anywhere you want or just use it as a portable remotes. Blue LED nightlight designed for dark environment. More convenient for the elders, pregnant woman, disables and children.

Specifications:

Switch
Color: White
Power supply: CR2032 button lithium battery (included)
Waterproof rate: IP54
Fire-resistant level: V0
Wireless range: Indoor> 40m, open space> 500m
Signal emission current: ≤30mA
Emission voltage: ≥+15dBm
Working frequency: 433.932 +/-75KHz MHz
Working temperature: -40℃ ~ +75℃
Humidity: 0~95%
Intensity of pressing of panel: 300 +/-50g
Panel lifespan: >600,000 times
Battery lifespan: >300,000 times
Certification: CE, CQC, FCC, RoHS
Dimension: 86 x 86 x 13mm/ 3.38 x 3.38 x 0.51in

Receiver
Voltage: AC 80~275V
Fire-resistant level: V0
Working frequency: 802.11 b/g/n & 433.932 +/-75KHz
Working temperature: -25℃ ~ +70℃
Inductive capacitive load: 1200W
Max intergraded load: 1000W (LED)
Resistive load: 1800W
Humidity: 0~90%
Mechanical times: ≥400,000 times
Dimension: 77 x 28 x 28.5mm/ 3.03 x 1.10 x 1.12in

Package contains:

2 x 2-Way Switch
4 x Wi-Fi Receiver
2 x 3M Adhesive Tape
2 x User Manual