The Intermatic TN311K 15-Amp Heavy Duty Lamp & Appliance Timer is a reliable and durable timer designed for controlling electrical devices such as lamps and appliances. Made by Intermatic Inc in Mexico, this model features a heavy-duty construction for long-lasting performance. With a single knockout for wiring, this timer is perfect for home and garden electrical improvements. Additionally, it comes with a California Prop 65 warning for safety.