Descriptions:   Smart Breaker Mobile APP Voice Control 10A 16A Hidden Dual-control Switch.      Specification:  Parameters Voltage: 85~250V, 50-60HZ;  Current: 16A/10A (see product parameters for details);  WIFI standard: 2.4GHz IEEE 802.11 b/g/n;  Material: PC flame retardant V0 Size: 59x42x20mm;  Wireless method: 3.0;    How to clear z-bee signal:  Method 1: Press and hold the pairing signal button for 5 seconds until the indicator light flashes, the signal is cleared successfully.  Method 2: Press the switch 5 times continuously until the indicator light flashes and the signal is cleared successfully.     Package Includes:  1 * Smart Breaker Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store