IFS-81M Electric door closer smart door closer

-Door width:950mm -Door weight:45-65kg -Material:aluminum -Color:silver   Take 81M door closer series as an example (silver model): Strong adaptability: thias door closer specially designed for 900mm door width and 25-45kg door weight, suitable for both home and commercial use 1. Three-stage speed adjustment: the closing speed is adjustable, and you can switch from "gentle and silent" to "fast closing" with one button. High cost performance:these door hardware accessories priced at hundreds of yuan, but it uses automotive-grade hydraulic oil and aviation aluminum, and its durability far exceeds that of similar products 1 4. If you pursue extreme silence, you can consider ACM-M59 (commercial grade): Electrostatically sprayed silver surface, scratch-resistant; Supports low-temperature operation of -40℃, and can also be used in the cold northern regions. This Hydraulic door closer comes standard with a back-check function and offers adjustable closing and latching speed by two separ…