1. Programmable mechanical timer will make your life smarter and more convenient. DIN rail mounted, easy to install. 2. Features: - Mechanical timer: Large dial with clear scale; Quartz mechanism will start automatically after a few minutes after power on. - Easy to use: 24 - hour timer with manual switch, supports scheduling (automatic on/off according to schedule) and continuous on/off. - Built - in battery for emergency installation on DIN rail: easy to assemble and disassemble, flexible use. - Compact size and light weight make it easy to install. - Transparent dust cover: dust and water splash resistant, prolonging the service life. Transparent design does not affect the dial display. - Widely used: street lights, ventilation systems, fountains, advertising signs, production equipment, radio and television equipment, etc. For dry rooms only. 3. Note: - Installation should be carried out by a qualified electrician. - Please read the instruction manual carefully before use. - Due to manual measurement and lighting differences, the size and color may be slightly different. Thank you for your understanding. 4. Specifications: - Model, voltage: SUL181h, AC110 - 230V/SUL181h, DC12V/SUL181d, AC110 - 230V / SUL180a, AC220 - 240V (optional) - Material: ABS - Built - in battery: 1.2V 40mAh NI - MH battery - SUL181h: - AC110 - 230V/DC 12V - Color: Gray - Contact capacity: 16A - Power: 2W - Minimum interval: 30min - Switching time: 30min/hour, 48 times - Power reserve: 150h - Contact resistance: ≤50mΩ - Insulation resistance: ≥100mΩ - Product size: 54 x 68 x 110mm - Package size: 11.5 * 7.5 * 6cm / 4.53 * 2.95 * 2.36in - Package weight: 192g / 6.77oz - SUL181d, AC110 - 230V: - Color: white or gray (sent randomly) - Power: 1W - Frequency: 50 - 60Hz - Switching capacity: 16A, 250V~, cosφ = 1; 4A, 250V~, cosφ = 0.6 - Incandescent lamp load: 1100W - Time range: 24h - Minimum interval: 15min - Setting time: 15min/hour, 96 times - Reserve: 200h (230V); 100H (110V) - Product dimensions: 54*65*90mm/2.13*2.56*3.54in - Package size: 9.8*7*6cm/3.86*2.76*2.36in - Package weight: 135g/4.76oz - SUL180a, AC220 - 240V: - Color: gray - contact, capacity: 16A - power: 1W - frequency: 50 - 60Hz - load: 1000W incandescent lamp; 150W energy - saving lamp - Time range: 24 hours. - Minimum interval: 15 minutes. - Setting time: 15 minutes/hour, 96 times - reserve: 72 hours. - Contact resistance: ≤ 50mΩ. - Insulation resistance: ≥ 100 mΩ - 3.54 inch: 9.8 x 7 x 2 cm / 3.86 x 2.76 x 0.79 inch - Package weight: 85 g / 2.98 oz 5. Packing list: - 1 * Timer - 1 * User manual (English)